{"title":"Sale For Duramax","description":"\u003cp\u003eUpgrade your ride with our exclusive Duramax sale! Save big on LML, L5P \u0026amp; LBZ engines, injectors, and exhaust systems. Genuine parts, fast shipping. Shop the clearance now!\u003c\/p\u003e","products":[{"product_id":"gm-duramax-l5p-3-5-downpipe-2017-2025","title":"2017-2025 6.6L GM Duramax L5P 3.5\" Downpipe Exhaust","description":"\u003ch2\u003e2017–2025 GM Duramax L5P 3.5-Inch DOC Delete Downpipe\u003c\/h2\u003e\n\u003cp\u003eUpgrade the factory downpipe area on your 2017–2025 GM Duramax L5P with this 3.5-inch DOC delete downpipe. Designed to replace the factory Diesel Oxidation Catalyst section near the turbo outlet, this component provides a larger, smoother exhaust path for compatible Chevrolet Silverado HD and GMC Sierra HD diesel trucks.\u003c\/p\u003e\n\u003cp\u003eThis downpipe is intended for off-road, competition, or non-highway applications where permitted by law. It is best suited for L5P owners building a performance-oriented turbo downpipe setup and looking for a single replacement component, not a complete exhaust system.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e3.5-Inch Mandrel-Bent Design:\u003c\/strong\u003e Provides a smoother exhaust path than the factory downpipe\/DOC section.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDOC Delete Configuration:\u003c\/strong\u003e Replaces the factory Diesel Oxidation Catalyst section near the turbo outlet.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eT409 Stainless Steel Construction:\u003c\/strong\u003e Raw-finish T409 stainless steel is built for diesel exhaust heat and corrosion resistance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFactory-Style 4-Bolt Turbo Flange:\u003c\/strong\u003e Designed to match compatible OEM-style 4-bolt L5P turbo connections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePre-Installed Studs:\u003c\/strong\u003e Studs are included on the flange to support easier alignment during installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncluded Heat Wrap:\u003c\/strong\u003e Thermal wrap helps reduce radiant heat around nearby under-hood components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBolt-On Fitment Listed:\u003c\/strong\u003e Designed as a direct replacement with no cutting or welding listed as required.\u003c\/p\u003e\n\u003ch4\u003eAvailable Options\u003c\/h4\u003e\n\u003cp\u003eNo product variants are listed for this item.\u003c\/p\u003e\n\u003ctable style=\"border-collapse: collapse;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eOption\u003c\/th\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3.5-Inch DOC Delete Downpipe\u003c\/td\u003e\n\u003ctd\u003eSingle listed option\u003c\/td\u003e\n\u003ctd\u003eNo muffler, exhaust tip, alternate pipe diameter, or full exhaust kit is confirmed.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable style=\"border-collapse: collapse;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDOC Delete Downpipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePipe Diameter\u003c\/td\u003e\n\u003ctd\u003e3.5 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003e6.6L Duramax L5P Diesel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle Application\u003c\/td\u003e\n\u003ctd\u003eChevrolet Silverado HD \/ GMC Sierra HD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Years\u003c\/td\u003e\n\u003ctd\u003e2017–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Models\u003c\/td\u003e\n\u003ctd\u003e2500HD and 3500HD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eT409 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eRaw Finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlange Configuration\u003c\/td\u003e\n\u003ctd\u003eFactory-style 4-bolt turbo flange\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eMandrel-bent tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Extras\u003c\/td\u003e\n\u003ctd\u003eHeat wrap and pre-installed studs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Type\u003c\/td\u003e\n\u003ctd\u003eDirect bolt-on listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmissions Component Replaced\u003c\/td\u003e\n\u003ctd\u003eDiesel Oxidation Catalyst section near turbo outlet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended Use\u003c\/td\u003e\n\u003ctd\u003eCompetition \/ off-road use only where permitted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eVehicle Fitment\u003c\/h4\u003e\n\u003cp\u003eCompatible with the following 6.6L Duramax L5P diesel trucks:\u003c\/p\u003e\n\u003ctable style=\"border-collapse: collapse;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYear Range\u003c\/td\u003e\n\u003ctd\u003eMake \/ Model\u003c\/td\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017–2025\u003c\/td\u003e\n\u003ctd\u003eChevrolet Silverado 2500HD\u003c\/td\u003e\n\u003ctd\u003e6.6L Duramax L5P Diesel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017–2025\u003c\/td\u003e\n\u003ctd\u003eChevrolet Silverado 3500HD\u003c\/td\u003e\n\u003ctd\u003e6.6L Duramax L5P Diesel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017–2025\u003c\/td\u003e\n\u003ctd\u003eGMC Sierra 2500HD\u003c\/td\u003e\n\u003ctd\u003e6.6L Duramax L5P Diesel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017–2025\u003c\/td\u003e\n\u003ctd\u003eGMC Sierra 3500HD\u003c\/td\u003e\n\u003ctd\u003e6.6L Duramax L5P Diesel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eFitment notes:\u003c\/p\u003e\n\u003cp\u003eGas engine models are not supported.\u003c\/p\u003e\n\u003cp\u003eEarlier Duramax engines such as LB7, LLY, LBZ, LMM and LML are not supported.\u003c\/p\u003e\n\u003cp\u003e1500 models are not supported.\u003c\/p\u003e\n\u003cp\u003eCab \u0026amp; Chassis fitment is not confirmed and should be verified before purchase.\u003c\/p\u003e\n\u003cp\u003eShort wheelbase cutting requirements are not confirmed.\u003c\/p\u003e\n\u003cp\u003e2020+ model years may require minor adjustment to the factory exhaust hanger for alignment.\u003c\/p\u003e\n\u003cp\u003eFlange style should be confirmed before ordering, especially on trucks with modified or non-stock turbo configurations.\u003c\/p\u003e\n\u003ch4\u003eWhat’s Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e3.5-inch DOC delete downpipe\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated heat wrap\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePre-installed studs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePackage contents should be confirmed before publishing, including clamp count, gasket use, mounting hardware, and whether any factory hardware must be reused.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis downpipe is described as a direct bolt-on replacement for compatible 2017–2025 Chevrolet Silverado and GMC Sierra 2500HD\/3500HD 6.6L Duramax L5P trucks.\u003c\/p\u003e\n\u003cp\u003eNo cutting is listed as required.\u003c\/p\u003e\n\u003cp\u003eNo welding is listed as required.\u003c\/p\u003e\n\u003cp\u003eFactory hardware reuse is not confirmed.\u003c\/p\u003e\n\u003cp\u003eInstallation time is not provided.\u003c\/p\u003e\n\u003cp\u003e2020+ model years may require minor adjustment to the factory exhaust hanger for proper alignment.\u003c\/p\u003e\n\u003cp\u003eCab \u0026amp; Chassis and wheelbase-specific installation differences are not confirmed.\u003c\/p\u003e\n\u003cp\u003eProfessional installation is recommended because this part replaces an emissions-related exhaust component and fitment may vary by vehicle configuration.\u003c\/p\u003e\n\u003ch4\u003eFrequently Asked Questions\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is a downpipe?\u003c\/strong\u003e\u003cbr\u003eA downpipe is the exhaust section that connects near the turbo outlet and routes exhaust gases into the rest of the system. This part replaces the factory DOC section on compatible L5P trucks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo downpipes increase HP?\u003c\/strong\u003e\u003cbr\u003ePerformance results vary by setup. This downpipe is designed to provide a smoother exhaust path for performance-oriented applications, but horsepower gains are not guaranteed in this description.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a downpipe illegal?\u003c\/strong\u003e\u003cbr\u003eEmissions-related exhaust modifications may be restricted or illegal for street use in some areas. This product is intended for off-road, competition, or non-highway use where permitted by law.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does a downpipe do to your truck?\u003c\/strong\u003e\u003cbr\u003eOn compatible diesel trucks, a downpipe can replace a restrictive factory section and create a larger exhaust path near the turbo. This listing identifies the part as a DOC delete downpipe, not a full exhaust system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a DPF delete pipe?\u003c\/strong\u003e\u003cbr\u003eNo. This product is identified as a DOC delete downpipe. It replaces the Diesel Oxidation Catalyst section near the turbo outlet, not the DPF section.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a downpipe-back or turbo-back exhaust?\u003c\/strong\u003e\u003cbr\u003eNo. This is a single downpipe\/DOC delete component. It is not a downpipe-back exhaust, turbo-back exhaust, filter-back exhaust, straight pipe, or full exhaust system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it fit my 2017–2025 Duramax L5P?\u003c\/strong\u003e\u003cbr\u003eIt is listed for 2017–2025 Chevrolet Silverado 2500HD\/3500HD and GMC Sierra 2500HD\/3500HD trucks with the 6.6L Duramax L5P diesel engine. Final fitment should be verified by flange style and truck configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it fit Cab \u0026amp; Chassis trucks?\u003c\/strong\u003e\u003cbr\u003eCab \u0026amp; Chassis fitment is not confirmed in the provided information. Verify exhaust routing and chassis layout before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this downpipe include a muffler or exhaust tip?\u003c\/strong\u003e\u003cbr\u003eNo. A muffler or exhaust tip is not confirmed. This listing only confirms the downpipe, heat wrap, and pre-installed studs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes installation require cutting or welding?\u003c\/strong\u003e\u003cbr\u003eThe product is described as a bolt-on part with no cutting or welding listed as required. However, 2020+ trucks may need minor hanger adjustment for alignment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it include installation hardware?\u003c\/strong\u003e\u003cbr\u003ePre-installed studs are confirmed. Clamps, gaskets, and other mounting hardware should be verified before publishing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs tuning required?\u003c\/strong\u003e\u003cbr\u003eRequirements may vary by vehicle configuration and local regulations because this part replaces an emissions-related component. Confirm with a qualified diesel technician before installation. This description does not provide instructions for bypassing emissions monitoring.\u003c\/p\u003e\n\u003ch4\u003eCompliance Notice\u003c\/h4\u003e\n\u003cp\u003eThis product may affect emissions equipment and may be intended for competition or off-road use only. Customers are responsible for confirming compliance with all applicable federal, state, and local laws before purchase, installation, or use.\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"Default Title","offer_id":47250179948797,"sku":"DIPDP-2017","price":169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_May_19_2026_10_57_19_PM_2_34a6c1f7-b1f7-4ab1-8bdf-26dfd7a6e604.png?v=1785761775"},{"product_id":"lmm-egr-cooler-delete-kit-6-6-duramax-2007-5-2010","title":"2007.5-2010 6.6L GM Duramax LMM EGR \u0026 Cooler Delete Kit","description":"\u003ch2\u003e2007.5-2010 6.6L GM Duramax LMM EGR \u0026amp;Cooler Delete Kit\u003c\/h2\u003e\n\u003cp\u003eTake your \u003cstrong\u003e6.6L Duramax LMM\u003c\/strong\u003e to the next level with our premium \u003cstrong\u003eEGR Delete Kit\u003c\/strong\u003e. Designed specifically for 2007.5–2010 Chevrolet Silverado and GMC Sierra 2500HD\/3500HD trucks, this kit is the ultimate solution for removing the restrictive factory EGR Valve and Cooler.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features \u0026amp; Performance Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Flow Intake Tube:\u003c\/strong\u003e Replaces heat-soaked plastic piping that is prone to cracking and boost leaks with durable, mandrel-bent stainless steel.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLower EGTs \u0026amp; Better Cooling:\u003c\/strong\u003e Pre-EGR delete area temperatures drop by up to \u003cstrong\u003e20°C\u003c\/strong\u003e, significantly reducing heat stress on your engine bay, sensors, and wiring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEliminate Carbon Buildup:\u003c\/strong\u003e Stop soot-laden exhaust gases from re-entering your intake, ensuring your engine breathes only clean, fresh air.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision Engineering:\u003c\/strong\u003e Crafted from \u003cstrong\u003e6061 Billet Aluminum\u003c\/strong\u003e and stainless steel using CNC machining for a leak-proof, corrosion-resistant fit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIncreased Fuel Efficiency:\u003c\/strong\u003e Boost your MPG by up to \u003cstrong\u003e5%\u003c\/strong\u003e by optimizing combustion efficiency and eliminating costly \"regen\" cycles and EGR maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6.6L V8 LMM Duramax Diesel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2007.5-2010 Silverado \/ Sierra 2500HD \u0026amp; 3500HD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaterials\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6061 Billet Aluminum, Stainless Steel, Reinforced Silicone\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCNC Machined \u0026amp; Anodized\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eComponents\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEGR Valve \u0026amp; Cooler Delete, Hardware\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eUsage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOff-Road \u0026amp; Competition Use Only\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eDetailed Vehicle Fitment\u003c\/h3\u003e\n\u003cp\u003eThis kit is a direct bolt-on for the following models equipped with the 6.6L LMM Duramax:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e2007.5-2010 Chevrolet Silverado 2500HD \/ 3500HD\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e2007.5-2010 GMC Sierra 2500HD \/ 3500HD\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBody Type:\u003c\/strong\u003e Fits Pickup models only.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cem\u003eNote: Does not fit Cab \u0026amp; Chassis models.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Upgrade Your LMM Duramax?\u003c\/h3\u003e\n\u003cp\u003eThe factory EGR system on the LMM engine is a major source of soot accumulation in the intake manifold, which leads to reduced power and potential engine damage over time. By installing this \u003cstrong\u003eDuramax LMM EGR Delete\u003c\/strong\u003e, you provide your turbo with a smoother, unrestricted airflow path. This setup is essential for tuned trucks handling higher boost pressures and diesel owners who prioritize long-term engine reliability.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is a tuner required for this kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. Removing the EGR system requires a performance tuner to prevent Check Engine Lights (CEL) and to ensure the engine runs correctly with the modifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this improve my towing performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Absolutely. By lowering Exhaust Gas Temperatures (EGTs) and improving turbo efficiency, your truck will pull harder and run cooler under heavy loads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the build quality?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Every component is CNC machined and handles temperatures up to \u003cstrong\u003e1,472°F\u003c\/strong\u003e, ensuring it outlasts your factory components in even the harshest conditions.\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"Default Title","offer_id":47257268027645,"sku":"DIPEGR-1007","price":60.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_May_11_2026_10_59_27_PM_1.png?v=1785761796"},{"product_id":"lbz-egr-delete-kit-high-flow-intake-elbow-2006-2007","title":"2006-2007 6.6L GM Duramax LBZ EGR Delete Kit with Intake Elbow","description":"\u003ch2 data-path-to-node=\"3\"\u003e2006-2007 6.6L GM Duramax LBZ EGR Delete Kit with Intake Elbow\u003c\/h2\u003e\n\u003cp data-path-to-node=\"4\"\u003ePermanently eliminate restrictive emissions issues on your \u003cstrong data-path-to-node=\"4\" data-index-in-node=\"59\"\u003e6.6L Duramax LBZ\u003c\/strong\u003e with our premium \u003cstrong data-path-to-node=\"4\" data-index-in-node=\"93\"\u003eEGR Delete Kit\u003c\/strong\u003e. Specifically engineered for 2006–2007 Silverado and Sierra 2500HD\/3500HD trucks, this kit replaces the clog-prone factory EGR valve and cooler with high-performance, precision-machined components.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003eThe centerpiece of this kit is the \u003cstrong data-path-to-node=\"5\" data-index-in-node=\"35\"\u003eHigh-Flow Intake Elbow\u003c\/strong\u003e, designed to optimize airflow delivery to the engine. By removing the factory bottleneck, you unlock faster turbo spool, sharper throttle response, and significant reductions in exhaust gas temperatures (EGTs).\u003c\/p\u003e\n\u003chr data-path-to-node=\"6\"\u003e\n\u003ch3 data-path-to-node=\"7\"\u003eKey Features \u0026amp; Performance Benefits\u003c\/h3\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cstrong data-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003eHigh-Flow Intake Elbow:\u003c\/strong\u003e Replaces the restrictive factory bridge to deliver smoother, unrestricted airflow for increased horsepower and torque.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cstrong data-path-to-node=\"8,1,0\" data-index-in-node=\"0\"\u003eOptimized Cooling Efficiency:\u003c\/strong\u003e Eliminates the EGR cooler, preventing coolant from being heated by exhaust gases and reducing overall engine operating temperatures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cstrong data-path-to-node=\"8,2,0\" data-index-in-node=\"0\"\u003eStop Carbon Buildup:\u003c\/strong\u003e Prevents abrasive soot from re-entering your intake manifold, keeping your engine oil cleaner and protecting your internal components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,0\"\u003e\u003cstrong data-path-to-node=\"8,3,0\" data-index-in-node=\"0\"\u003eFuel Economy Gains:\u003c\/strong\u003e By allowing the engine to breathe fresh, clean air, many owners see an improvement in fuel efficiency of up to \u003cstrong data-path-to-node=\"8,3,0\" data-index-in-node=\"131\"\u003e20%\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,4,0\"\u003e\u003cstrong data-path-to-node=\"8,4,0\" data-index-in-node=\"0\"\u003eHeavy-Duty Construction:\u003c\/strong\u003e Includes precision-cut block-off plates, high-quality gaskets, and all necessary hardware for a leak-proof seal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"9\"\u003e\n\u003ch3 data-path-to-node=\"10\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"11\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,1,0,0\"\u003e\u003cstrong data-path-to-node=\"11,1,0,0\" data-index-in-node=\"0\"\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,1,1,0\"\u003e6.6L LBZ Duramax Diesel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,2,0,0\"\u003e\u003cstrong data-path-to-node=\"11,2,0,0\" data-index-in-node=\"0\"\u003eMaterial\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,2,1,0\"\u003eBillet Aluminum \u0026amp; High-Grade Stainless Steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,3,0,0\"\u003e\u003cstrong data-path-to-node=\"11,3,0,0\" data-index-in-node=\"0\"\u003eIncluded Components\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,3,1,0\"\u003eHigh-Flow Elbow, Block-off Plates, Gaskets, Hardware\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,4,0,0\"\u003e\u003cstrong data-path-to-node=\"11,4,0,0\" data-index-in-node=\"0\"\u003eDesign\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,4,1,0\"\u003eFull Valve and Cooler Delete\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,5,0,0\"\u003e\u003cstrong data-path-to-node=\"11,5,0,0\" data-index-in-node=\"0\"\u003eInstallation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,5,1,0\"\u003eDirect Bolt-on (Professional Install Recommended)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,6,0,0\"\u003e\u003cstrong data-path-to-node=\"11,6,0,0\" data-index-in-node=\"0\"\u003eUsage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,6,1,0\"\u003eOff-Road \u0026amp; Competition Use Only\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr data-path-to-node=\"12\"\u003e\n\u003ch3 data-path-to-node=\"13\"\u003eDetailed Vehicle Fitment Guide\u003c\/h3\u003e\n\u003cp data-path-to-node=\"14\"\u003eThis kit is a direct fit for the following \u003cstrong data-path-to-node=\"14\" data-index-in-node=\"43\"\u003e6.6L LBZ Duramax\u003c\/strong\u003e models:\u003c\/p\u003e\n\u003cul data-path-to-node=\"15\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,0,0\"\u003e\u003cstrong data-path-to-node=\"15,0,0\" data-index-in-node=\"0\"\u003e2006-2007 Chevrolet Silverado 2500HD \/ 3500HD\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,1,0\"\u003e\u003cstrong data-path-to-node=\"15,1,0\" data-index-in-node=\"0\"\u003e2006-2007 GMC Sierra 2500HD \/ 3500HD\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,2,0\"\u003e\u003cem data-path-to-node=\"15,2,0\" data-index-in-node=\"0\"\u003eNote: This kit is specifically for the LBZ engine code. It will NOT fit 2007.5+ LMM or newer models.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"16\"\u003e\n\u003ch3 data-path-to-node=\"17\"\u003eWhy Upgrade Your LBZ with a High-Flow Elbow?\u003c\/h3\u003e\n\u003cp data-path-to-node=\"18\"\u003eThe factory LBZ intake path is notorious for being restrictive and prone to soot accumulation. Upgrading to a \u003cstrong data-path-to-node=\"18\" data-index-in-node=\"110\"\u003ehigh-flow elbow\u003c\/strong\u003e ensures that the air reaching your cylinders is as dense and cool as possible. This is a critical upgrade for LBZ owners who use their trucks for heavy towing or high-performance builds where reliability and thermal management are the top priorities.\u003c\/p\u003e\n\u003chr data-path-to-node=\"19\"\u003e\n\u003ch3 data-path-to-node=\"20\"\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp data-path-to-node=\"21\"\u003e\u003cstrong data-path-to-node=\"21\" data-index-in-node=\"0\"\u003eQ: Will this kit cause a Check Engine Light (CEL)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"21\"\u003e\u003cstrong data-path-to-node=\"21\" data-index-in-node=\"51\"\u003eA:\u003c\/strong\u003e Yes. Removing the EGR system requires a performance tuner to recalibrate the ECM and prevent diagnostic trouble codes (DTCs).\u003c\/p\u003e\n\u003cp data-path-to-node=\"22\"\u003e\u003cstrong data-path-to-node=\"22\" data-index-in-node=\"0\"\u003eQ: Does it include the EGT port?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"22\"\u003e\u003cstrong data-path-to-node=\"22\" data-index-in-node=\"33\"\u003eA:\u003c\/strong\u003e The block-off plates are designed to provide a solid seal; many owners choose to tap the exhaust manifold or plate for EGT sensors during installation.\u003c\/p\u003e\n\u003cp data-path-to-node=\"23\"\u003e\u003cstrong data-path-to-node=\"23\" data-index-in-node=\"0\"\u003eQ: Is this kit street legal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"23\"\u003e\u003cstrong data-path-to-node=\"23\" data-index-in-node=\"29\"\u003eA:\u003c\/strong\u003e No. This product is designed strictly for off-road, organized racing, or competition use only.\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"Default Title","offer_id":47257280184573,"sku":"DIPEGR-1038","price":107.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_May_12_2026_09_31_02_PM_3.png?v=1785762632"},{"product_id":"lbz-egr-delete-kit-6-6-duramax-2006-2007","title":"2006-2007 6.6L GM Duramax LBZ EGR Delete Kit","description":"\u003ch2 data-path-to-node=\"2\"\u003e6.6L Duramax LBZ EGR Delete Kit (2006-2007)\u003c\/h2\u003e\n\u003cp data-path-to-node=\"3\"\u003eProtect your engine and reclaim lost power with our professional-grade \u003cstrong data-path-to-node=\"3\" data-index-in-node=\"71\"\u003eEGR Delete Kit for the 2006–2007 6.6L Duramax LBZ\u003c\/strong\u003e. This complete block-off system is designed to permanently eliminate the restrictive factory EGR valve and cooler, preventing abrasive soot from recirculating through your intake manifold and internal engine components.\u003c\/p\u003e\n\u003cp data-path-to-node=\"4\"\u003eBy removing the EGR system, you ensure your \u003cstrong data-path-to-node=\"4\" data-index-in-node=\"44\"\u003eLBZ Duramax\u003c\/strong\u003e breathes only clean, fresh air, leading to a more efficient combustion cycle, lower operating temperatures, and long-term mechanical reliability.\u003c\/p\u003e\n\u003chr data-path-to-node=\"5\"\u003e\n\u003ch3 data-path-to-node=\"6\"\u003eKey Performance Benefits\u003c\/h3\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cstrong data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eOptimized Fuel Economy:\u003c\/strong\u003e By restoring engine efficiency and reducing backpressure, this kit can help you see an increase in fuel economy by up to \u003cstrong data-path-to-node=\"7,0,0\" data-index-in-node=\"145\"\u003e20%\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cstrong data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eLower Engine Temperatures:\u003c\/strong\u003e Eliminates the EGR cooler, preventing hot exhaust gases from heating your engine coolant. This results in lower overall coolant and oil temperatures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cstrong data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003eStop Carbon Buildup:\u003c\/strong\u003e Prevents \"soot-clogging\" of the intake valves and manifold, ensuring your engine stays clean internally and maintains peak performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cstrong data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003eEnhanced Engine Longevity:\u003c\/strong\u003e Reduces the thermal stress and abrasive wear caused by recycled exhaust particulates, extending the life of your turbo and engine components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,4,0\"\u003e\u003cstrong data-path-to-node=\"7,4,0\" data-index-in-node=\"0\"\u003eCost-Effective Reliability:\u003c\/strong\u003e Avoid the high costs of replacing failed factory EGR valves and coolers by switching to a permanent, maintenance-free solution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"8\"\u003e\n\u003ch3 data-path-to-node=\"9\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"10\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,0,0\"\u003e\u003cstrong data-path-to-node=\"10,1,0,0\" data-index-in-node=\"0\"\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,1,0\"\u003e6.6L V8 Duramax (LBZ Code)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,0,0\"\u003e\u003cstrong data-path-to-node=\"10,2,0,0\" data-index-in-node=\"0\"\u003eModel Years\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,1,0\"\u003e2006-2007\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,0,0\"\u003e\u003cstrong data-path-to-node=\"10,3,0,0\" data-index-in-node=\"0\"\u003eMaterial\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,1,0\"\u003eHeavy-Duty Billet Aluminum \u0026amp; Stainless Steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,4,0,0\"\u003e\u003cstrong data-path-to-node=\"10,4,0,0\" data-index-in-node=\"0\"\u003eKit Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,4,1,0\"\u003eComplete Valve \u0026amp; Cooler Block Off System\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,5,0,0\"\u003e\u003cstrong data-path-to-node=\"10,5,0,0\" data-index-in-node=\"0\"\u003eHardware\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,5,1,0\"\u003ePrecision-Cut Plates \u0026amp; Gaskets Included\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,6,0,0\"\u003e\u003cstrong data-path-to-node=\"10,6,0,0\" data-index-in-node=\"0\"\u003eUsage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,6,1,0\"\u003eOff-Road \u0026amp; Competition Use Only\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr data-path-to-node=\"11\"\u003e\n\u003ch3 data-path-to-node=\"12\"\u003eDetailed Vehicle Fitment Guide\u003c\/h3\u003e\n\u003cp data-path-to-node=\"13\"\u003eThis kit is a precision-fit replacement for the following \u003cstrong data-path-to-node=\"13\" data-index-in-node=\"58\"\u003e6.6L LBZ Duramax\u003c\/strong\u003e trucks:\u003c\/p\u003e\n\u003cul data-path-to-node=\"14\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,0,0\"\u003e\u003cstrong data-path-to-node=\"14,0,0\" data-index-in-node=\"0\"\u003e2006-2007 Chevrolet Silverado 2500HD \/ 3500HD\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,1,0\"\u003e\u003cstrong data-path-to-node=\"14,1,0\" data-index-in-node=\"0\"\u003e2006-2007 GMC Sierra 2500HD \/ 3500HD\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,2,0\"\u003e\u003cem data-path-to-node=\"14,2,0\" data-index-in-node=\"0\"\u003eNote: This kit is specifically for the 2006-2007 LBZ. It is not compatible with earlier LLY or later LMM models.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"15\"\u003e\n\u003ch3 data-path-to-node=\"16\"\u003eWhy Upgrade Your LBZ Duramax?\u003c\/h3\u003e\n\u003cp data-path-to-node=\"17\"\u003eThe \u003cstrong data-path-to-node=\"17\" data-index-in-node=\"4\"\u003eLBZ Duramax\u003c\/strong\u003e is widely considered one of the best diesel engines ever made, but its factory EGR system is a significant weak point. Over time, soot buildup causes the EGR valve to stick and the cooler to leak, leading to \"limp mode\" and reduced power. Installing an \u003cstrong data-path-to-node=\"17\" data-index-in-node=\"269\"\u003eLBZ EGR Delete\u003c\/strong\u003e is the most effective way to ensure your truck remains dependable for heavy towing or high-performance off-road builds.\u003c\/p\u003e\n\u003chr data-path-to-node=\"18\"\u003e\n\u003ch3 data-path-to-node=\"19\"\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp data-path-to-node=\"20\"\u003e\u003cstrong data-path-to-node=\"20\" data-index-in-node=\"0\"\u003eQ: Will this kit require a performance tuner?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"20\"\u003e\u003cstrong data-path-to-node=\"20\" data-index-in-node=\"46\"\u003eA:\u003c\/strong\u003e Yes. To prevent Check Engine Lights (CEL) and ensure the engine operates correctly without the EGR system, an EGR-delete capable tuner is required.\u003c\/p\u003e\n\u003cp data-path-to-node=\"21\"\u003e\u003cstrong data-path-to-node=\"21\" data-index-in-node=\"0\"\u003eQ: Is the installation a direct bolt-on?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"21\"\u003e\u003cstrong data-path-to-node=\"21\" data-index-in-node=\"41\"\u003eA:\u003c\/strong\u003e Yes, the plates and gaskets are designed to fit the factory mounting points. However, professional installation is highly recommended due to the technical nature of the EGR cooler removal.\u003c\/p\u003e\n\u003cp data-path-to-node=\"22\"\u003e\u003cstrong data-path-to-node=\"22\" data-index-in-node=\"0\"\u003eQ: Can I use this on a street-legal truck?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"22\"\u003e\u003cstrong data-path-to-node=\"22\" data-index-in-node=\"43\"\u003eA:\u003c\/strong\u003e No. This product is intended strictly for off-road or competition use only and should be used in compliance with all local laws and regulations.\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"Default Title","offer_id":47257282904317,"sku":"DIPEGR-1009","price":62.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_May_12_2026_09_32_15_PM_1.png?v=1785819508"},{"product_id":"lly-egr-delete-kit-high-flow-intake-2004-5-2005","title":"2004.5-2005 6.6L GM Duramax LLY EGR Delete Kit with Intake Elbow","description":"\u003ch2 data-path-to-node=\"3\"\u003e2004.5-2005 6.6L GM Duramax LLY EGR Delete Kit with Intake Elbow\u003c\/h2\u003e\n\u003cp data-path-to-node=\"4\"\u003eUnlock the full performance potential of your \u003cstrong data-path-to-node=\"4\" data-index-in-node=\"46\"\u003e6.6L Duramax LLY\u003c\/strong\u003e with our premium \u003cstrong data-path-to-node=\"4\" data-index-in-node=\"80\"\u003eEGR Delete Kit\u003c\/strong\u003e. Specifically engineered for 2004.5–2005 Silverado and Sierra 2500HD\/3500HD trucks, this kit is the ultimate solution for permanently removing the restrictive factory EGR valve and cooler.\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003eBy replacing the factory bottleneck with our \u003cstrong data-path-to-node=\"5\" data-index-in-node=\"45\"\u003eHigh-Flow Intake upgrade\u003c\/strong\u003e, you ensure your engine receives a constant supply of clean, oxygen-rich air. This results in faster turbo spooling, sharper throttle response, and a significant reduction in soot-related engine wear.\u003c\/p\u003e\n\u003chr data-path-to-node=\"6\"\u003e\n\u003ch3 data-path-to-node=\"7\"\u003eKey Features \u0026amp; Performance Benefits\u003c\/h3\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cstrong data-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003eHigh-Flow Intake Design:\u003c\/strong\u003e Replaces the restrictive factory intake bridge, maximizing airflow efficiency and improving mid-range torque.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cstrong data-path-to-node=\"8,1,0\" data-index-in-node=\"0\"\u003eStop Carbon Buildup:\u003c\/strong\u003e Prevents abrasive exhaust soot from recirculating into your intake manifold, keeping your engine oil cleaner and protecting vital internal components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cstrong data-path-to-node=\"8,2,0\" data-index-in-node=\"0\"\u003eOptimized Cooling Performance:\u003c\/strong\u003e Eliminates the EGR cooler to prevent hot exhaust gases from heating your engine coolant, leading to lower overall operating temperatures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,0\"\u003e\u003cstrong data-path-to-node=\"8,3,0\" data-index-in-node=\"0\"\u003eIncreased Fuel Efficiency:\u003c\/strong\u003e By allowing the engine to run cleaner and more efficiently, many LLY owners experience up to \u003cstrong data-path-to-node=\"8,3,0\" data-index-in-node=\"120\"\u003e20% better fuel economy\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,4,0\"\u003e\u003cstrong data-path-to-node=\"8,4,0\" data-index-in-node=\"0\"\u003eHeavy-Duty Construction:\u003c\/strong\u003e Formulated for high-temperature applications and extreme towing, with components designed to withstand thermal cycling without cracking or leaking.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"9\"\u003e\n\u003ch3 data-path-to-node=\"10\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"11\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,1,0,0\"\u003e\u003cstrong data-path-to-node=\"11,1,0,0\" data-index-in-node=\"0\"\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,1,1,0\"\u003e6.6L V8 Duramax (LLY Code)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,2,0,0\"\u003e\u003cstrong data-path-to-node=\"11,2,0,0\" data-index-in-node=\"0\"\u003eModel Years\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,2,1,0\"\u003e2004.5, 2005\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,3,0,0\"\u003e\u003cstrong data-path-to-node=\"11,3,0,0\" data-index-in-node=\"0\"\u003eComponents\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,3,1,0\"\u003eEGR Valve\/Cooler Delete + High-Flow Intake Bridge\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,4,0,0\"\u003e\u003cstrong data-path-to-node=\"11,4,0,0\" data-index-in-node=\"0\"\u003eMaterial\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,4,1,0\"\u003eHigh-Grade Billet Aluminum \u0026amp; Stainless Steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,5,0,0\"\u003e\u003cstrong data-path-to-node=\"11,5,0,0\" data-index-in-node=\"0\"\u003eHardware\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,5,1,0\"\u003eHigh-Temp Seals and Precision Block-Off Plates Included\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,6,0,0\"\u003e\u003cstrong data-path-to-node=\"11,6,0,0\" data-index-in-node=\"0\"\u003eUsage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,6,1,0\"\u003eOff-Road \u0026amp; Competition Use Only\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr data-path-to-node=\"12\"\u003e\n\u003ch3 data-path-to-node=\"13\"\u003eDetailed Vehicle Fitment Guide\u003c\/h3\u003e\n\u003cp data-path-to-node=\"14\"\u003eThis kit is a precision-fit replacement for the following \u003cstrong data-path-to-node=\"14\" data-index-in-node=\"58\"\u003e6.6L LLY Duramax\u003c\/strong\u003e pickup trucks:\u003c\/p\u003e\n\u003cul data-path-to-node=\"15\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,0,0\"\u003e\u003cstrong data-path-to-node=\"15,0,0\" data-index-in-node=\"0\"\u003e2004.5-2005 Chevrolet Silverado 2500HD \/ 3500HD\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,1,0\"\u003e\u003cstrong data-path-to-node=\"15,1,0\" data-index-in-node=\"0\"\u003e2004.5-2005 GMC Sierra 2500HD \/ 3500HD\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,2,0\"\u003e\u003cem data-path-to-node=\"15,2,0\" data-index-in-node=\"0\"\u003eNote: Specifically for the LLY engine code (8th digit of VIN is \"2\"). Please ensure your vehicle matches this engine configuration before purchase.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"16\"\u003e\n\u003ch3 data-path-to-node=\"17\"\u003eWhy Upgrade Your LLY Duramax?\u003c\/h3\u003e\n\u003cp data-path-to-node=\"18\"\u003eThe \u003cstrong data-path-to-node=\"18\" data-index-in-node=\"4\"\u003eLLY Duramax\u003c\/strong\u003e is famous for its power but is notorious for overheating issues related to the factory EGR system and restrictive air intake. Installing this \u003cstrong data-path-to-node=\"18\" data-index-in-node=\"158\"\u003eLLY EGR Delete\u003c\/strong\u003e is a proactive step toward extreme reliability. By eliminating the source of hot exhaust recirculation and soot clogs, you reduce the risk of head gasket failure and avoid the high costs of repairing aging factory components.\u003c\/p\u003e\n\u003chr data-path-to-node=\"19\"\u003e\n\u003ch3 data-path-to-node=\"20\"\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp data-path-to-node=\"21\"\u003e\u003cstrong data-path-to-node=\"21\" data-index-in-node=\"0\"\u003eQ: Will this kit require a tuner?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"21\"\u003e\u003cstrong data-path-to-node=\"21\" data-index-in-node=\"34\"\u003eA:\u003c\/strong\u003e Yes. Removing the EGR system on an LLY engine will typically trigger a Check Engine Light (CEL). A performance tuner is required to disable the EGR codes and optimize engine calibration.\u003c\/p\u003e\n\u003cp data-path-to-node=\"22\"\u003e\u003cstrong data-path-to-node=\"22\" data-index-in-node=\"0\"\u003eQ: Is the high-flow intake bridge included?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"22\"\u003e\u003cstrong data-path-to-node=\"22\" data-index-in-node=\"44\"\u003eA:\u003c\/strong\u003e Yes. This kit is the \"High Flow\" version which includes the intake bridge to provide a smoother air path compared to basic block-off plates.\u003c\/p\u003e\n\u003cp data-path-to-node=\"23\"\u003e\u003cstrong data-path-to-node=\"23\" data-index-in-node=\"0\"\u003eQ: Is this kit suitable for heavy towing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"23\"\u003e\u003cstrong data-path-to-node=\"23\" data-index-in-node=\"42\"\u003eA:\u003c\/strong\u003e Absolutely. It is specifically designed for heavy-duty use. By lowering EGTs (Exhaust Gas Temperatures), your truck will remain more stable and reliable under heavy loads.\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"Default Title","offer_id":47257289687293,"sku":"DIPEGR-1037","price":83.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_May_13_2026_09_56_26_PM_4.png?v=1785762653"},{"product_id":"lly-egr-delete-kit-6-6-duramax-gmc-2004-2005","title":"2004.5-2005 6.6L GM Duramax LLY EGR Delete Kit","description":"\u003ch2\u003e2004.5-2005 6.6L GM Duramax LLY EGR Delete Kit\u003c\/h2\u003e\n\u003cp\u003eProtect your engine and reclaim lost performance with our professional-grade \u003cstrong\u003eEGR Delete Kit for the 2004.5–2005 6.6L Duramax LLY\u003c\/strong\u003e. This complete block-off system is engineered to permanently eliminate the restrictive factory EGR valve and cooler, preventing abrasive soot from recirculating through your intake manifold and internal engine components.\u003c\/p\u003e\n\u003cp\u003eBy bypassing the Exhaust Gas Recirculation system, you ensure your \u003cstrong\u003eLLY Duramax\u003c\/strong\u003e breathes only clean, fresh air, leading to a more efficient combustion cycle, lower operating temperatures, and long-term mechanical reliability.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features \u0026amp; Performance Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptimized Fuel Economy:\u003c\/strong\u003e Restores engine efficiency and reduces exhaust backpressure, helping owners see fuel economy gains of up to \u003cstrong\u003e20%\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Management:\u003c\/strong\u003e Eliminates the EGR cooler to prevent hot exhaust gases from heating your engine coolant. This results in significantly lower coolant and oil temperatures, especially during heavy-duty towing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntake Protection:\u003c\/strong\u003e Stops the \"soot-clogging\" effect in the intake valves and manifold, ensuring your engine stays clean internally and maintains peak throttle response.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCost-Effective Reliability:\u003c\/strong\u003e Avoid the high costs of replacing or cleaning aging factory EGR components by switching to a permanent, maintenance-free solution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6.6L V8 Duramax (LLY Code)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Years\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2004.5 - 2005 (2004.5)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBillet Aluminum \u0026amp; High-Grade Stainless Steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eKit Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eComplete Valve \u0026amp; Cooler Block Off System\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eUsage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOff-Road \u0026amp; Competition Use Only\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eDetailed Vehicle Fitment Guide\u003c\/h3\u003e\n\u003cp\u003eThis kit is a precision-fit replacement for the following \u003cstrong\u003e6.6L LLY Duramax\u003c\/strong\u003e pickup trucks:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e2004.5-2005 Chevrolet Silverado 2500HD \/ 3500HD\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e2004.5-2005 GMC Sierra 2500HD \/ 3500HD\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cem\u003eNote: Specifically for the LLY engine code (8th digit of VIN is \"2\"). Please ensure your vehicle matches this engine configuration before purchase.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Upgrade Your LLY Duramax?\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eLLY Duramax\u003c\/strong\u003e is a legendary power plant but is notorious for heat-related issues. The factory EGR system contributes to excessive engine bay heat and head gasket stress. Installing an \u003cstrong\u003eLLY EGR Delete\u003c\/strong\u003e is a proactive upgrade for any owner looking to improve the longevity of their truck. By removing the source of hot exhaust recirculation, you reduce the thermal load on the cooling system and prevent power-robbing carbon deposits.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this kit cause a Check Engine Light (CEL)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. To prevent diagnostic trouble codes (DTCs) and ensure the engine operates correctly without the EGR system, an EGR-delete capable tuner is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this kit suitable for heavy towing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Absolutely. It is specifically designed for heavy-duty use. By lowering EGTs (Exhaust Gas Temperatures), your truck will remain more stable and reliable under heavy loads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the installation a direct replacement?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, the plates and gaskets are designed to match factory mounting points. However, professional installation is recommended as the process involves deep engine bay access.\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"Default Title","offer_id":47257294471421,"sku":"DIPEGR-1002","price":59.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_May_13_2026_09_59_10_PM_1.png?v=1785762711"},{"product_id":"6-6-duramax-l5p-egr-cooler-delete-kit-2017-2025","title":"2017-2025 6.6L GM Duramax L5P EGR Delete Kit with Cooler Delete","description":"\u003cp data-path-to-node=\"6\"\u003eTake your 6.6L Duramax L5P to the next level of reliability with our professional-grade \u003cstrong data-index-in-node=\"88\" data-path-to-node=\"6\"\u003eEGR \u0026amp; Cooler Delete Kit\u003c\/strong\u003e. Specifically engineered for 2017–2025 Chevrolet Silverado and GMC Sierra 2500HD\/3500HD trucks, this \u003cstrong data-index-in-node=\"204\" data-path-to-node=\"6\"\u003eEGR \u0026amp; Cooler Delete Kit\u003c\/strong\u003e is the ultimate solution for removing the heavy, restrictive factory exhaust gas recirculation system. The L5P Duramax produces incredible torque, but the factory setup can introduce hot, dirty exhaust back into the engine, leading to carbon buildup that can reduce efficiency. By installing this premium \u003cstrong data-index-in-node=\"495\" data-path-to-node=\"6\"\u003eEGR \u0026amp; Cooler Delete Kit\u003c\/strong\u003e, you help your truck breathe fresh, dense air, support cleaner intake manifold operation, and avoid the high costs associated with component failures.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"7\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"7\"\u003eMaximize Reliability with the L5P EGR \u0026amp; Cooler Delete Kit\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"8\"\u003eBy eliminating the recirculation of hot exhaust gases, this \u003cstrong data-index-in-node=\"60\" data-path-to-node=\"8\"\u003eEGR \u0026amp; Cooler Delete Kit\u003c\/strong\u003e helps prevent abrasive soot from clogging your intake manifold and valves. Improved exhaust flow from our \u003cstrong data-index-in-node=\"176\" data-path-to-node=\"8\"\u003eEGR \u0026amp; Cooler Delete Kit\u003c\/strong\u003e also allows your turbocharger to spool faster, delivering improved throttle response and reduced lag. Furthermore, this \u003cstrong data-index-in-node=\"312\" data-path-to-node=\"8\"\u003eEGR \u0026amp; Cooler Delete Kit\u003c\/strong\u003e is engineered to circulate engine coolant more efficiently than the stock system, reducing the risk of overheating and thermal stress during heavy loads and towing. Investing in a high-quality \u003cstrong data-index-in-node=\"512\" data-path-to-node=\"8\"\u003eEGR \u0026amp; Cooler Delete Kit\u003c\/strong\u003e helps keep your L5P performing strong for years to come.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"9\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"9\"\u003eKey Features \u0026amp; Performance Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"10,0,0\"\u003eStop Soot Accumulation:\u003c\/strong\u003e Blocks the path of dirty exhaust air to help keep internal engine components factory-clean.\u003c\/p\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"10,1,0\"\u003eRapid Turbo Spooling:\u003c\/strong\u003e Feel the difference in power delivery with the improved flow provided by the \u003cstrong data-index-in-node=\"99\" data-path-to-node=\"10,1,0\"\u003eEGR \u0026amp; Cooler Delete Kit\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"10,2,0\"\u003eExtreme-Temp Construction:\u003c\/strong\u003e Our \u003cstrong data-index-in-node=\"31\" data-path-to-node=\"10,2,0\"\u003eEGR \u0026amp; Cooler Delete Kit\u003c\/strong\u003e utilizes solid carbon steel plates that withstand temperatures far exceeding standard aluminum alternatives.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,0\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"10,3,0\"\u003ePremium Hardware:\u003c\/strong\u003e Includes steel flanges, high-temp silicone hoses, and precision-fit O-rings for a leak-proof seal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"11\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"11\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse;\" border=\"1\" data-path-to-node=\"12\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"12,1,0,0\"\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003e6.6L V8 Duramax (L5P Engine Code)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"12,2,0,0\"\u003eModel Years\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003e2017 - 2025\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,0,0\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"12,3,0,0\"\u003ePlate Material\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,1,0\"\u003eSteel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,0,0\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"12,4,0,0\"\u003eHardware\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,1,0\"\u003eZinc-Coated Bolts \u0026amp; Stainless Dipstick Bracket\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,5,0,0\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"12,5,0,0\"\u003eUsage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,5,1,0\"\u003eOff-Road \u0026amp; Competition Use Only\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-path-to-node=\"13\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"13\"\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"14\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"14\"\u003eQ: Will this EGR \u0026amp; Cooler Delete Kit require a tuner?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"14\"\u003eA: Yes. Removing the EGR system on an L5P engine requires an \u003cstrong data-index-in-node=\"106\" data-path-to-node=\"14\"\u003eEGR \u0026amp; Cooler Delete Kit\u003c\/strong\u003e compatible tuner to help prevent Check Engine Lights (CEL) and diagnostic trouble codes.\u003c\/p\u003e\n\u003cp data-path-to-node=\"15\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"15\"\u003eQ: Why use carbon steel in this EGR \u0026amp; Cooler Delete Kit instead of aluminum?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"15\"\u003eA: The L5P generates extreme exhaust heat. Our carbon steel plates offer superior durability and help prevent leaks caused by thermal expansion, a common failure in cheaper kits.\u003c\/p\u003e\n\u003cp data-path-to-node=\"16\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"16\"\u003eQ: Can an EGR cooler be deleted on a 6.6L Duramax L5P?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"16\"\u003eA: This kit is designed to remove the factory EGR and cooler setup on compatible 2017–2025 L5P Duramax trucks for off-road and competition use only.\u003c\/p\u003e\n\u003cp data-path-to-node=\"17\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"17\"\u003eQ: Is an EGR delete kit worth it for diesel trucks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"17\"\u003eA: For off-road applications, many diesel truck owners choose an EGR delete kit to reduce carbon buildup, improve throttle response, and simplify the factory emissions system.\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"Default Title","offer_id":47257342083325,"sku":"DIPEGR-13","price":119.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_May_12_2026_09_28_24_PM_4.png?v=1785762884"},{"product_id":"lml-6-6-duramax-egr-cooler-delete-kit-black-2011-2016","title":"2011-2016 6.6L GM Duramax LML EGR \u0026 Cooler Delete Kit","description":"\u003cp data-path-to-node=\"6\"\u003eRestore the efficiency and longevity of your 6.6L Duramax LML with our premium \u003cstrong data-path-to-node=\"6\" data-index-in-node=\"79\"\u003eEGR \u0026amp; Cooler Delete Kit\u003c\/strong\u003e. Specifically engineered for 2011–2016 Chevrolet Silverado and GMC Sierra 2500HD\/3500HD trucks, this \u003cstrong data-path-to-node=\"6\" data-index-in-node=\"195\"\u003eEGR \u0026amp; Cooler Delete Kit\u003c\/strong\u003e is the definitive solution for removing the soot-heavy factory exhaust gas recirculation system and cooler assembly. By eliminating the recirculation of hot exhaust gases, you help prevent abrasive carbon buildup from entering your intake manifold. This \u003cstrong data-path-to-node=\"6\" data-index-in-node=\"436\"\u003eEGR \u0026amp; Cooler Delete Kit\u003c\/strong\u003e results in significantly lower Exhaust Gas Temperatures (EGTs), faster turbo spooling, and a drastic reduction in maintenance costs.\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"8\"\u003e\u003cstrong data-path-to-node=\"8\" data-index-in-node=\"0\"\u003eMaximize Engine Life with an LML EGR Delete Kit\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-path-to-node=\"9\"\u003eThe LML Duramax is a powerhouse, but the factory system is a known \"weak link.\" Our \u003cstrong data-path-to-node=\"9\" data-index-in-node=\"84\"\u003eEGR Delete Kit\u003c\/strong\u003e helps prevent dirty air from recirculating back into the combustion chamber. By choosing this \u003cstrong data-path-to-node=\"9\" data-index-in-node=\"188\"\u003eEGR Delete Kit\u003c\/strong\u003e, you reduce soot accumulation and keep your intake valves cleaner, which can improve fuel economy by up to 20%. This \u003cstrong data-path-to-node=\"9\" data-index-in-node=\"316\"\u003eEGR Delete Kit\u003c\/strong\u003e is a proactive reliability upgrade that simplifies your engine bay and ensures your truck is ready for the most demanding towing tasks, heavy loads, and off-roading.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"11\"\u003e\u003cstrong data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eKey Performance Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003e\u003cstrong data-path-to-node=\"12,0,0\" data-index-in-node=\"0\"\u003eFaster Turbo Spooling:\u003c\/strong\u003e Improved exhaust flow from the \u003cstrong data-path-to-node=\"12,0,0\" data-index-in-node=\"54\"\u003eEGR Delete Kit\u003c\/strong\u003e allows your turbocharger to spool up quicker for sharper throttle response.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0\"\u003e\u003cstrong data-path-to-node=\"12,1,0\" data-index-in-node=\"0\"\u003eOptimized Thermal Management:\u003c\/strong\u003e By bypassing the cooler, this \u003cstrong data-path-to-node=\"12,1,0\" data-index-in-node=\"60\"\u003eEGR Delete Kit\u003c\/strong\u003e allows coolant to circulate more efficiently, leading to lower operating temperatures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,2,0\"\u003e\u003cstrong data-path-to-node=\"12,2,0\" data-index-in-node=\"0\"\u003eHeavy-Duty Durability:\u003c\/strong\u003e Every \u003cstrong data-path-to-node=\"12,2,0\" data-index-in-node=\"29\"\u003eEGR Delete Kit\u003c\/strong\u003e is constructed from high-strength, CNC-machined materials designed to outlast prone-to-leak factory OEM designs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,3,0\"\u003e\u003cstrong data-path-to-node=\"12,3,0\" data-index-in-node=\"0\"\u003eRetain Factory Manifolds:\u003c\/strong\u003e This \u003cstrong data-path-to-node=\"12,3,0\" data-index-in-node=\"31\"\u003eEGR Delete Kit\u003c\/strong\u003e allows for the complete removal of the actuator while enabling you to retain your stock intake and exhaust manifolds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-path-to-node=\"14\"\u003e\u003cstrong data-path-to-node=\"14\" data-index-in-node=\"0\"\u003eTechnical Specifications for the EGR Delete Kit\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable style=\"border-collapse: collapse;\" border=\"1\" data-path-to-node=\"15\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,0,0\"\u003e\u003cstrong data-path-to-node=\"15,1,0,0\" data-index-in-node=\"0\"\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,1,1,0\"\u003e6.6L Duramax Diesel (LML Engine Code)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,0,0\"\u003e\u003cstrong data-path-to-node=\"15,2,0,0\" data-index-in-node=\"0\"\u003eModel Years\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,2,1,0\"\u003e2011, 2012, 2013, 2014, 2015,2016\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,0,0\"\u003e\u003cstrong data-path-to-node=\"15,3,0,0\" data-index-in-node=\"0\"\u003eComponents\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,3,1,0\"\u003eBillet Block-Off Plates, High-Temp Hardware, and Fittings\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,0,0\"\u003e\u003cstrong data-path-to-node=\"15,4,0,0\" data-index-in-node=\"0\"\u003eMaterial\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"15,4,1,0\"\u003ePremium CNC-Machined Steel \u0026amp; Aluminum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-path-to-node=\"16\"\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3 data-path-to-node=\"17\"\u003e\u003cstrong data-path-to-node=\"17\" data-index-in-node=\"0\"\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-path-to-node=\"18\"\u003e\u003cstrong data-path-to-node=\"18\" data-index-in-node=\"0\"\u003eQ: Will I need a tuner for this EGR Delete Kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"18\"\u003eA: Yes. An EGR-delete capable tuner such as EFI Live, EZ Lynk, or SCT is required to disable factory software and help prevent Check Engine Lights (CEL) or limp mode after installing the \u003cstrong data-path-to-node=\"18\" data-index-in-node=\"196\"\u003eEGR \u0026amp; Cooler Delete Kit\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-path-to-node=\"19\"\u003e\u003cstrong data-path-to-node=\"19\" data-index-in-node=\"0\"\u003eQ: Is this a direct replacement?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"19\"\u003eA: Yes, this \u003cstrong data-path-to-node=\"19\" data-index-in-node=\"46\"\u003eEGR \u0026amp; Cooler Delete Kit\u003c\/strong\u003e is a direct-fit solution that requires no permanent modifications to your engine block or manifold.\u003c\/p\u003e\n\u003cp data-path-to-node=\"20\"\u003e\u003cstrong data-path-to-node=\"20\" data-index-in-node=\"0\"\u003eQ: Can an EGR cooler be deleted?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"20\"\u003eA: This kit is designed to remove the factory EGR and cooler assembly on compatible 6.6L Duramax LML applications when used with the proper tuner and supporting setup.\u003c\/p\u003e\n\u003cp data-path-to-node=\"21\"\u003e\u003cstrong data-path-to-node=\"21\" data-index-in-node=\"0\"\u003eQ: Is an EGR delete worth it for diesel trucks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"21\"\u003eA: For many diesel truck owners, an EGR delete kit can help reduce soot buildup, lower EGTs, and improve long-term reliability for towing and heavy-duty use.\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"Default Title","offer_id":47257387270397,"sku":"DIPEGR-1001","price":65.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_May_11_2026_11_00_20_PM_2.png?v=1785762957"},{"product_id":"lmm-6-6-duramax-egr-cooler-delete-kit-high-flow-intake-elbow-2007-5-2010","title":"2007.5-2010 6.6L GM Duramax LMM EGR \u0026 Cooler Delete Kit with Intake Elbow","description":"\u003ch2 data-path-to-node=\"2\"\u003e2007.5-2010 6.6L GM Duramax LMM EGR \u0026amp; Cooler Delete Kit with Intake Elbow\u003c\/h2\u003e\n\u003cp data-path-to-node=\"3\"\u003eMaximize the efficiency and power of your \u003cstrong data-path-to-node=\"3\" data-index-in-node=\"42\"\u003e6.\u003c\/strong\u003e\u003cstrong data-path-to-node=\"3\" data-index-in-node=\"42\"\u003e6L Duramax LMM\u003c\/strong\u003e with our professional \u003cstrong data-path-to-node=\"3\" data-index-in-node=\"81\"\u003eLMM EGR delete kit\u003c\/strong\u003e. Designed for 2007.5–2010 Chevrolet Silverado and GMC Sierra 2500HD\/3500HD diesel trucks, this kit is the ultimate solution to eliminate the restrictive factory EGR system and replace the stock intake path with a \u003cstrong data-path-to-node=\"3\" data-index-in-node=\"314\"\u003eHigh-Flow Intake Elbow\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-path-to-node=\"4\"\u003eBy removing the EGR cooler and valve, you stop hot, soot-filled exhaust gases from recirculating into your engine. When paired with our high-flow intake elbow, your LMM receives more clean air volume, helping improve throttle response, reduce carbon buildup, and lower EGTs.\u003c\/p\u003e\n\u003chr data-path-to-node=\"5\"\u003e\n\u003ch3 data-path-to-node=\"6\"\u003eChoose Your Performance Level\u003c\/h3\u003e\n\u003cp data-path-to-node=\"7\"\u003eWe offer two configurations tailored to your specific truck build:\u003c\/p\u003e\n\u003ch4 data-path-to-node=\"8\"\u003e1. Performance Version (With High-Flow Intake Elbow)\u003c\/h4\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cstrong data-path-to-node=\"9,0,0\" data-index-in-node=\"0\"\u003eMaximum Airflow:\u003c\/strong\u003e Replaces the restrictive factory intake pipe with a smooth, mandrel-bent elbow that helps reduce air turbulence.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cstrong data-path-to-node=\"9,1,0\" data-index-in-node=\"0\"\u003eLower Intake Temps:\u003c\/strong\u003e Optimized design helps reduce intake air temperatures (IATs), supporting combustion efficiency and power output.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e\u003cstrong data-path-to-node=\"9,2,0\" data-index-in-node=\"0\"\u003eBuilt for Power:\u003c\/strong\u003e An ideal choice for tuned trucks, heavy loads, or those running larger turbochargers.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9,2,0\"\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-path-to-node=\"10\"\u003e2. Standard Version (EGR Removal Only)\u003c\/h4\u003e\n\u003cul data-path-to-node=\"11\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,0,0\"\u003e\u003cstrong data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"\u003eReliability Focus:\u003c\/strong\u003e Removes the failure-prone EGR cooler and valve while retaining the factory intake setup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,1,0\"\u003e\u003cstrong data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"\u003eSoot Prevention:\u003c\/strong\u003e Effectively helps prevent carbon buildup and reduces the risk of EGR cooler leaks.\u003c\/p\u003e\n\u003cp data-path-to-node=\"11,1,0\"\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,2,0\"\u003e\u003cstrong data-path-to-node=\"11,2,0\" data-index-in-node=\"0\"\u003eCost-Effective:\u003c\/strong\u003e A budget-friendly solution for daily drivers seeking long-term engine longevity without the need for additional airflow upgrades.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"12\"\u003e\n\u003ch3 data-path-to-node=\"13\"\u003eKey Performance Benefits\u003c\/h3\u003e\n\u003cul data-path-to-node=\"14\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,0,0\"\u003e\u003cstrong data-path-to-node=\"14,0,0\" data-index-in-node=\"0\"\u003eBoost Fuel Efficiency:\u003c\/strong\u003e By allowing the engine to breathe fresh air, many LMM owners report fuel economy gains of up to \u003cstrong data-path-to-node=\"14,0,0\" data-index-in-node=\"119\"\u003e20%\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,1,0\"\u003e\u003cstrong data-path-to-node=\"14,1,0\" data-index-in-node=\"0\"\u003eEngine Longevity:\u003c\/strong\u003e Helps prevent abrasive soot from contaminating engine oil and clogging intake valves, supporting longer life for internal components.\u003c\/p\u003e\n\u003cp data-path-to-node=\"14,1,0\"\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,2,0\"\u003e\u003cstrong data-path-to-node=\"14,2,0\" data-index-in-node=\"0\"\u003eReduce Thermal Stress:\u003c\/strong\u003e Lower coolant and oil temperatures by removing the EGR cooler from the engine’s cooling circuit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,3,0\"\u003e\u003cstrong data-path-to-node=\"14,3,0\" data-index-in-node=\"0\"\u003eProtect the DPF:\u003c\/strong\u003e Cleaner combustion can reduce soot load on the Diesel Particulate Filter (DPF), potentially lowering the frequency of regeneration cycles.\u003c\/p\u003e\n\u003cp data-path-to-node=\"14,3,0\"\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"15\"\u003e\n\u003ch3 data-path-to-node=\"16\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse;\" border=\"1\" data-path-to-node=\"17\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,1,0,0\"\u003e\u003cstrong data-path-to-node=\"17,1,0,0\" data-index-in-node=\"0\"\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,1,1,0\"\u003e6.6L V8 Duramax (LMM Engine Code)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,2,0,0\"\u003e\u003cstrong data-path-to-node=\"17,2,0,0\" data-index-in-node=\"0\"\u003eModel Years\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,2,1,0\"\u003e2007.5, 2008, 2009, 2010\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,3,0,0\"\u003e\u003cstrong data-path-to-node=\"17,3,0,0\" data-index-in-node=\"0\"\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,3,1,0\"\u003eChevy Silverado \/ GMC Sierra 2500HD \u0026amp; 3500HD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,4,0,0\"\u003e\u003cstrong data-path-to-node=\"17,4,0,0\" data-index-in-node=\"0\"\u003eIntake Elbow\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,4,1,0\"\u003eHigh-Flow Mandrel-Bent Construction (Included in Performance Kit)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,5,0,0\"\u003e\u003cstrong data-path-to-node=\"17,5,0,0\" data-index-in-node=\"0\"\u003eHardware\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,5,1,0\"\u003eCNC-Machined Plates \u0026amp; High-Temperature Gaskets\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,6,0,0\"\u003e\u003cstrong data-path-to-node=\"17,6,0,0\" data-index-in-node=\"0\"\u003eUsage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,6,1,0\"\u003eOff-Road \u0026amp; Competition Use Only\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr data-path-to-node=\"18\"\u003e\n\u003ch3 data-path-to-node=\"19\"\u003eWhy Upgrade Your LMM Duramax?\u003c\/h3\u003e\n\u003cp data-path-to-node=\"20\"\u003eThe LMM was the first Duramax generation to face heavy emissions restrictions. Over time, the EGR system becomes a \"clogging point,\" forcing the engine to work harder and run hotter. This \u003cstrong data-path-to-node=\"20\" data-index-in-node=\"188\"\u003eLMM Duramax EGR delete kit\u003c\/strong\u003e and intake elbow kit restores lost power and simplifies the engine bay, making it a smart upgrade for any owner looking to improve reliability and performance on their 2007.5–2010 truck.\u003c\/p\u003e\n\u003chr data-path-to-node=\"21\"\u003e\n\u003ch3 data-path-to-node=\"22\"\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp data-path-to-node=\"23\"\u003e\u003cstrong data-path-to-node=\"23\" data-index-in-node=\"0\"\u003eQ: Will I need a tuner for this kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"23\"\u003e\u003cstrong data-path-to-node=\"23\" data-index-in-node=\"37\"\u003eA:\u003c\/strong\u003e Yes. An EGR-delete capable performance tuner is required to disable the factory software and prevent Check Engine Lights (CEL).\u003c\/p\u003e\n\u003cp data-path-to-node=\"24\"\u003e\u003cstrong data-path-to-node=\"24\" data-index-in-node=\"0\"\u003eQ: Can I install this with a stock turbo?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"24\"\u003e\u003cstrong data-path-to-node=\"24\" data-index-in-node=\"42\"\u003eA:\u003c\/strong\u003e Absolutely. This kit is a direct bolt-on for stock turbos and provides a great foundation for future performance upgrades.\u003c\/p\u003e\n\u003cp data-path-to-node=\"25\"\u003e\u003cstrong data-path-to-node=\"25\" data-index-in-node=\"0\"\u003eQ: Does the High-Flow Elbow help with towing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"25\"\u003e\u003cstrong data-path-to-node=\"25\" data-index-in-node=\"46\"\u003eA:\u003c\/strong\u003e Yes. The increased airflow helps lower Exhaust Gas Temperatures (EGTs), which is critical for maintaining engine safety when pulling heavy loads.\u003c\/p\u003e\n\u003cp data-path-to-node=\"26\"\u003e\u003cstrong data-path-to-node=\"26\" data-index-in-node=\"0\"\u003eQ: Is an EGR cooler delete kit worth it?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"26\"\u003e\u003cstrong data-path-to-node=\"26\" data-index-in-node=\"39\"\u003eA:\u003c\/strong\u003e For off-road use, many owners choose this kit to reduce soot buildup, simplify maintenance, and improve throttle response.\u003c\/p\u003e\n\u003cp data-path-to-node=\"27\"\u003e\u003cstrong data-path-to-node=\"27\" data-index-in-node=\"0\"\u003eQ: Can an EGR cooler be deleted?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"27\"\u003e\u003cstrong data-path-to-node=\"27\" data-index-in-node=\"38\"\u003eA:\u003c\/strong\u003e This kit is designed to remove the factory EGR cooler and valve for off-road and competition use only.\u003c\/p\u003e\n\u003cp data-path-to-node=\"28\"\u003e\u003cstrong data-path-to-node=\"28\" data-index-in-node=\"0\"\u003eQ: Is EGR delete good for diesel trucks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"28\"\u003e\u003cstrong data-path-to-node=\"28\" data-index-in-node=\"37\"\u003eA:\u003c\/strong\u003e It can help reduce carbon buildup and improve airflow on compatible diesel trucks when used in the proper off-road application.\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"Default Title","offer_id":47257390907645,"sku":"DIPEGR-1043A","price":119.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_May_13_2026_09_55_10_PM_5.png?v=1785762967"},{"product_id":"ccv-pcv-reroute-delete-kit-2004-5-2010-6-6-duramax-lly-lbz-lmm","title":"2004.5-2010 6.6L GM Duramax CCV Reroute Delete Kit","description":"\u003ch2 data-path-to-node=\"2\"\u003e2004.5-2010 6.6L GM Duramax CCV PCV Reroute Delete Kit \u003c\/h2\u003e\n\u003cp data-path-to-node=\"3\"\u003eProtect your intake system and stop \"boot soak\" with our premium \u003cstrong data-index-in-node=\"65\" data-path-to-node=\"3\"\u003eCCV Reroute Delete Kit\u003c\/strong\u003e, engineered specifically for the \u003cstrong data-index-in-node=\"121\" data-path-to-node=\"3\"\u003e2004.5-2010 6.6L Duramax\u003c\/strong\u003e (LLY, LBZ, and LMM engines). The factory closed crankcase ventilation system on these trucks is a leading cause of oil contamination in the turbocharger, intercooler, and intake manifold.\u003c\/p\u003e\n\u003cp data-path-to-node=\"4\"\u003eBy rerouting oily blow-by gases away from the engine's air intake, this kit helps reduce oil vapor buildup, prevent the gummy residue that destroys intercooler boots, and keep internal components cleaner. This is an essential reliability upgrade for any Duramax owner looking to keep their intake tract factory-clean and increase engine bay workspace.\u003c\/p\u003e\n\u003chr data-path-to-node=\"5\"\u003e\n\u003ch3 data-path-to-node=\"6\"\u003eKey Performance Benefits\u003c\/h3\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"7,0,0\"\u003eEliminate Boot Soak:\u003c\/strong\u003e Prevents oil vapor from saturating and softening your rubber intercooler boots, which often leads to \"boots blowing off\" under high boost levels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"7,1,0\"\u003eStop Intake Gumming:\u003c\/strong\u003e Diverts oil-laden gases away from the turbo inlet, helping reduce sticky carbon buildup that coats intake components and restricts airflow.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,4,0\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"7,4,0\"\u003eClean Engine Bay:\u003c\/strong\u003e Completely eliminates the bulky plastic crankcase box found on top of the engine, creating more room for maintenance, valve cover access, and performance upgrades.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,5,0\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"7,5,0\"\u003ePremium Anodized Finish:\u003c\/strong\u003e All machined components are finished in black anodization for superior corrosion resistance and a clean, professional appearance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"8\"\u003e\n\u003ch3 data-path-to-node=\"9\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse;\" border=\"1\" data-path-to-node=\"10\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,0,0\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"10,1,0,0\"\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,1,0\"\u003e6.6L Duramax Diesel (LLY \/ LBZ \/ LMM)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,0,0\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"10,2,0,0\"\u003eModel Years\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,1,0\"\u003e2004.5 - 2010\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,0,0\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"10,3,0,0\"\u003eHose Material\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,1,0\"\u003eReinforced Oil-Rated Silicone\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,4,0,0\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"10,4,0,0\"\u003eComponent Material\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,4,1,0\"\u003eCNC-Machined Aluminum (Black Anodized)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,6,0,0\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"10,6,0,0\"\u003eUsage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,6,1,0\"\u003eOff-Road \u0026amp; Competition Use Only\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr data-path-to-node=\"11\"\u003e\n\u003ch3 data-path-to-node=\"12\"\u003eDetailed Vehicle Fitment Guide\u003c\/h3\u003e\n\u003cp data-path-to-node=\"13\"\u003eThis kit is a precision-fit upgrade for the following \u003cstrong data-index-in-node=\"54\" data-path-to-node=\"13\"\u003e6.6L Duramax\u003c\/strong\u003e trucks:\u003c\/p\u003e\n\u003cul data-path-to-node=\"14\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,0,0\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"14,0,0\"\u003e2004.5-2005 Chevy\/GMC Silverado\/Sierra 2500\/3500 HD (LLY)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,1,0\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"14,1,0\"\u003e2006-2007 Chevy\/GMC Silverado\/Sierra 2500\/3500 HD (LBZ)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,2,0\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"14,2,0\"\u003e2007.5-2010 Chevy\/GMC Silverado\/Sierra 2500\/3500 HD (LMM)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"15\"\u003e\n\u003ch3 data-path-to-node=\"16\"\u003eWhy Upgrade Your 6.6L Duramax CCV?\u003c\/h3\u003e\n\u003cp data-path-to-node=\"17\"\u003eThe LLY, LBZ, and LMM engines are legendary for their durability, but the factory CCV system is their \"dirty\" secret. Over time, oil mist coats the inside of the intercooler, reducing its cooling capacity. Our \u003cstrong data-index-in-node=\"210\" data-path-to-node=\"17\"\u003eCCV Reroute Kit\u003c\/strong\u003e provides a streamlined path with no tight angles, helping maintain better pressure flow and reducing the chance of oil droplets re-entering the intake system while protecting your turbocharger and entire intake system.\u003c\/p\u003e\n\u003chr data-path-to-node=\"18\"\u003e\n\u003ch3 data-path-to-node=\"19\"\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp data-path-to-node=\"20\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"20\"\u003eQ: What is the point of a CCV delete reroute kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"20\"\u003e\u003cstrong data-index-in-node=\"47\" data-path-to-node=\"20\"\u003eA:\u003c\/strong\u003e It reroutes crankcase pressure and oily blow-by gases away from the intake so oil vapor does not re-enter the turbo and intercooler, helping reduce intake sludge and boot soak.\u003c\/p\u003e\n\u003cp data-path-to-node=\"22\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"22\"\u003eQ: Is a CCV delete illegal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"22\"\u003e\u003cstrong data-index-in-node=\"60\" data-path-to-node=\"22\"\u003eA:\u003c\/strong\u003e This kit is listed for off-road and competition use only. Check your local, state, and federal emissions standards before installation.\u003c\/p\u003e\n\u003cp data-path-to-node=\"24\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"24\"\u003eQ: Is a CCV reroute worth it?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"24\"\u003e\u003cstrong data-index-in-node=\"47\" data-path-to-node=\"24\"\u003eA:\u003c\/strong\u003e For many owners, yes. It can help keep the intake system cleaner, reduce oil deposits, and free up space in the engine bay.\u003c\/p\u003e\n\u003cp data-path-to-node=\"26\"\u003e\u003cstrong data-index-in-node=\"0\" data-path-to-node=\"26\"\u003eQ: What are the downsides of deleting the CCV?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"26\"\u003e\u003cstrong data-index-in-node=\"60\" data-path-to-node=\"26\"\u003eA:\u003c\/strong\u003e The main considerations are emissions compliance and making sure the reroute is installed correctly to avoid oil leaks or unwanted crankcase pressure issues.\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"Default Title","offer_id":47261258088701,"sku":"DIPEGR-24","price":78.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/9_574d8fcb-c8f8-4088-b983-d130288baa78.jpg?v=1785762997"},{"product_id":"ccv-pcv-reroute-delete-kit-2011-2016-lml-6-6-duramax","title":"2011-2016 6.6L GM Duramax LML CCV PCV Reroute Delete Kit","description":"\u003ch2 data-path-to-node=\"2\"\u003e2011-2016 6.6L GM Duramax LML CCV PCV Reroute Delete Kit\u003c\/h2\u003e\n\u003cp data-path-to-node=\"3\"\u003eProtect your engine’s top-end and turbocharger with our professional-grade \u003cstrong data-path-to-node=\"3\" data-index-in-node=\"75\"\u003eCCV Reroute Delete Kit\u003c\/strong\u003e, specifically designed for the \u003cstrong data-path-to-node=\"3\" data-index-in-node=\"129\"\u003e2011-2016 6.6L Duramax LML\u003c\/strong\u003e. The factory Closed Crankcase Ventilation system on the LML is notorious for dumping oil-laden blow-by gases back into the turbo inlet, causing oily residue to coat the intercooler, intake pipes, and valves.\u003c\/p\u003e\n\u003cp data-path-to-node=\"4\"\u003eBy rerouting these gases, you help eliminate \u003cstrong\u003eboot soak\u003c\/strong\u003e (where intercooler boots soften and blow off under pressure), reduce oil buildup in the intake system, and prevent the gummy carbon buildup that robs your engine of power and efficiency.\u003c\/p\u003e\n\u003chr data-path-to-node=\"5\"\u003e\n\u003ch3 data-path-to-node=\"6\"\u003eKey Performance Benefits\u003c\/h3\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cstrong data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eStop Intake Contamination:\u003c\/strong\u003e Prevents oily blow-by and excess crankcase pressure from entering the turbocharger and intercooler, ensuring your LML breathes only clean, dense air.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cstrong data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eEliminate Boot Soak:\u003c\/strong\u003e Protects your rubber intercooler boots from oil saturation, extending their lifespan and preventing boost leaks.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,4,0\"\u003e\u003cstrong data-path-to-node=\"7,4,0\" data-index-in-node=\"0\"\u003eClean Engine Bay:\u003c\/strong\u003e Removes the bulky factory crankcase box from the top of the engine, freeing up valuable space for maintenance, fuel system access, and upgrades.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,5,0\"\u003e\u003cstrong data-path-to-node=\"7,5,0\" data-index-in-node=\"0\"\u003eBillet Aluminum Durability:\u003c\/strong\u003e All adapters and fittings are CNC-machined from high-grade aluminum and finished with a black anodized coating for maximum corrosion resistance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"8\"\u003e\n\u003ch3 data-path-to-node=\"9\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse;\" border=\"1\" data-path-to-node=\"10\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,0,0\"\u003e\u003cstrong data-path-to-node=\"10,1,0,0\" data-index-in-node=\"0\"\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,1,0\"\u003e6.6L Duramax Diesel (LML Engine Code)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,0,0\"\u003e\u003cstrong data-path-to-node=\"10,2,0,0\" data-index-in-node=\"0\"\u003eModel Years\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,1,0\"\u003e2011 - 2016\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,0,0\"\u003e\u003cstrong data-path-to-node=\"10,3,0,0\" data-index-in-node=\"0\"\u003eHose Material\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,1,0\"\u003eReinforced Oil-Rated Silicone\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,4,0,0\"\u003e\u003cstrong data-path-to-node=\"10,4,0,0\" data-index-in-node=\"0\"\u003eComponent Material\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,4,1,0\"\u003eBlack Anodized Billet Aluminum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,5,0,0\"\u003e\u003cstrong data-path-to-node=\"10,5,0,0\" data-index-in-node=\"0\"\u003eSeal Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,5,1,0\"\u003eHigh-Temp Sealing Rings Included\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,6,0,0\"\u003e\u003cstrong data-path-to-node=\"10,6,0,0\" data-index-in-node=\"0\"\u003eUsage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,6,1,0\"\u003eOff-Road \u0026amp; Competition Use Only\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr data-path-to-node=\"11\"\u003e\n\u003ch3 data-path-to-node=\"12\"\u003eDetailed Vehicle Fitment Guide\u003c\/h3\u003e\n\u003cp data-path-to-node=\"13\"\u003eThis kit is a precision-fit upgrade for the following \u003cstrong data-path-to-node=\"13\" data-index-in-node=\"54\"\u003e6.6L LML Duramax\u003c\/strong\u003e trucks:\u003c\/p\u003e\n\u003cul data-path-to-node=\"14\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,0,0\"\u003e\u003cstrong data-path-to-node=\"14,0,0\" data-index-in-node=\"0\"\u003e2011-2016 Chevrolet Silverado 2500HD \/ 3500HD\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,1,0\"\u003e\u003cstrong data-path-to-node=\"14,1,0\" data-index-in-node=\"0\"\u003e2011-2016 GMC Sierra 2500HD \/ 3500HD\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,2,0\"\u003e\u003cem data-path-to-node=\"14,2,0\" data-index-in-node=\"0\"\u003eNote: Designed exclusively for the LML platform. Please verify your engine code before purchase.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"15\"\u003e\n\u003ch3 data-path-to-node=\"16\"\u003eWhy Upgrade Your LML Duramax CCV?\u003c\/h3\u003e\n\u003cp data-path-to-node=\"17\"\u003eThe \u003cstrong data-path-to-node=\"17\" data-index-in-node=\"4\"\u003eLML Duramax\u003c\/strong\u003e is a heavy-duty powerhouse, but internal soot, oil vapor, and crankcase pressure can lead to long-term reliability issues. Over time, the factory CCV system coats the intercooler's internal fins, reducing its ability to lower intake temperatures. This \u003cstrong data-path-to-node=\"17\" data-index-in-node=\"255\"\u003eCCV Reroute Kit\u003c\/strong\u003e provides a streamlined, angle-free path for pressure to flow, helping reduce oil drips beneath your truck and supporting a cleaner, more efficient engine.\u003c\/p\u003e\n\u003chr data-path-to-node=\"18\"\u003e\n\u003ch3 data-path-to-node=\"19\"\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp data-path-to-node=\"20\"\u003e\u003cstrong data-path-to-node=\"20\" data-index-in-node=\"0\"\u003eQ: Will this kit cause oil puddles under my vehicle?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"20\"\u003e\u003cstrong data-path-to-node=\"20\" data-index-in-node=\"53\"\u003eA:\u003c\/strong\u003e No. Our streamlined routing helps relieve pressure while virtually eliminating liquid oil loss.\u003c\/p\u003e\n\u003cp data-path-to-node=\"21\"\u003e\u003cstrong data-path-to-node=\"21\" data-index-in-node=\"0\"\u003eQ: Does this kit come with everything needed for installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"21\"\u003e\u003cstrong data-path-to-node=\"21\" data-index-in-node=\"63\"\u003eA:\u003c\/strong\u003e Yes. The kit includes the silicone hose, 2-bolt billet aluminum adapter, sealing rings, 90-degree adapter, and all necessary hardware for a complete \"bolt-on\" installation.\u003c\/p\u003e\n\u003cp data-path-to-node=\"22\"\u003e\u003cstrong data-path-to-node=\"22\" data-index-in-node=\"0\"\u003eQ: Why is a silicone hose better than rubber?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"22\"\u003e\u003cstrong data-path-to-node=\"22\" data-index-in-node=\"46\"\u003eA:\u003c\/strong\u003e Standard rubber hoses break down quickly when exposed to oil and engine heat. Our 100% reinforced silicone hose is designed to stay flexible and leak-free for the life of your truck.\u003c\/p\u003e\n\u003cp data-path-to-node=\"23\"\u003e\u003cstrong data-path-to-node=\"23\" data-index-in-node=\"0\"\u003eQ: Is this the same as a CCV delete kit or PCV delete kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"23\"\u003e\u003cstrong data-path-to-node=\"23\" data-index-in-node=\"58\"\u003eA:\u003c\/strong\u003e This kit is a CCV\/PCV reroute delete kit for the 2011-2016 6.6L Duramax LML platform and is intended to reroute crankcase vapors away from the intake system.\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"Default Title","offer_id":47261279355133,"sku":"DIPEGR-29","price":83.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_May_12_2026_09_26_58_PM_3.png?v=1785763013"},{"product_id":"4-5-inch-cat-muffler-delete-race-pipe-2001-2007-duramax-lb7-lbz","title":"2001-2007 6.6L GM Duramax LB7 LLY LBZ 4\" \u0026 5\" Downpipe-Back Exhaust","description":"\u003cp\u003eUpgrade the exhaust system on your \u003cstrong\u003e2001–2007 Chevrolet Silverado or GMC Sierra 2500HD\/3500 equipped with a 6.6L Duramax LB7, LLY, or LBZ\u003c\/strong\u003e engine. This T409 stainless steel \u003cstrong\u003edownpipe-back exhaust\u003c\/strong\u003e system replaces the exhaust section downstream of the factory downpipe and is available in 4-inch or 5-inch configurations, with or without a muffler. It is designed for pickup models only and does not fit Cab \u0026amp; Chassis trucks. Some shorter wheelbase configurations may require pipe trimming during installation.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_2026_8_11_14_02_57.png?v=1786428194\" alt=\"2001-2007 Duramax downpipe-back exhaust for Chevy and GMC Silverado Sierra pickups\"\u003e\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDownpipe-Back Exhaust Configuration:\u003c\/strong\u003e\u003cbr\u003eReplaces the exhaust system downstream of the factory downpipe while retaining the original turbo downpipe.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4-Inch and 5-Inch Pipe Options:\u003c\/strong\u003e\u003cbr\u003eChoose a 4-inch system for a balanced exhaust upgrade or a 5-inch system for a larger exhaust path and deeper diesel tone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMuffler and Non-Muffler Versions:\u003c\/strong\u003e\u003cbr\u003eMuffler-equipped options provide a more controlled exhaust note, while non-muffler configurations deliver a louder and more aggressive sound.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eT409 Stainless Steel Construction:\u003c\/strong\u003e\u003cbr\u003eBuilt from durable T409 stainless steel for resistance to heat, corrosion, and demanding road conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMandrel-Bent Tubing:\u003c\/strong\u003e\u003cbr\u003eSmooth mandrel bends help maintain a consistent pipe diameter and support unrestricted exhaust flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHeavy-Duty Construction:\u003c\/strong\u003e\u003cbr\u003eThe approximately 2 mm pipe wall is designed to provide strength and durability for diesel truck applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDeeper Duramax Exhaust Tone:\u003c\/strong\u003e\u003cbr\u003eEnhances the natural sound and more aggressive exhaust note of the 6.6L Duramax engine, with the final volume depending on pipe size and muffler selection.\u003c\/p\u003e\n\u003ch2\u003eAvailable Options\u003c\/h2\u003e\n\u003ctable style=\"border-collapse: collapse;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eOption\u003c\/th\u003e\n\u003cth\u003ePipe Size\u003c\/th\u003e\n\u003cth\u003eMuffler\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\" Downpipe-Back\u003c\/td\u003e\n\u003ctd\u003e4 inch\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\" Downpipe-Back w\/Muffler\u003c\/td\u003e\n\u003ctd\u003e4 inch\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\" Downpipe-Back\u003c\/td\u003e\n\u003ctd\u003e5 inch\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\" Downpipe-Back w\/Muffler\u003c\/td\u003e\n\u003ctd\u003e5 inch\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhich Option Should You Choose?\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e4-inch non-muffler system\u003c\/strong\u003e provides a more aggressive exhaust note without moving to the largest pipe diameter.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e4-inch muffler system\u003c\/strong\u003e is a practical option for daily-driven or towing trucks where a more controlled sound is preferred.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e5-inch non-muffler system\u003c\/strong\u003e offers the deepest and most aggressive exhaust tone of the four configurations.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e5-inch muffler system\u003c\/strong\u003e combines the larger 5-inch appearance and tone with a muffler to help reduce overall exhaust volume.\u003c\/p\u003e\n\u003cp\u003eActual sound will vary based on engine condition, cab and bed configuration, existing modifications, and selected exhaust option.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"border-collapse: collapse;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDownpipe-back exhaust system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003e6.6L Duramax V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Codes\u003c\/td\u003e\n\u003ctd\u003eLB7, LLY and LBZ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Years\u003c\/td\u003e\n\u003ctd\u003e2001–2007 LB7\/LLY\/LBZ applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle Models\u003c\/td\u003e\n\u003ctd\u003eChevrolet Silverado and GMC Sierra 2500HD\/3500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePipe Diameter\u003c\/td\u003e\n\u003ctd\u003e4 inch or 5 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eT409 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall Thickness\u003c\/td\u003e\n\u003ctd\u003eApproximately 2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eMandrel-bent tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMuffler\u003c\/td\u003e\n\u003ctd\u003eAvailable with or without muffler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCab \u0026amp; Chassis Fitment\u003c\/td\u003e\n\u003ctd\u003eNot compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003ch3\u003eChevrolet Silverado\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e2001–2004 Silverado 2500HD\/3500 with 6.6L Duramax LB7\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2004.5–2005 Silverado 2500HD\/3500 with 6.6L Duramax LLY\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2006–2007 Silverado 2500HD\/3500 with 6.6L Duramax LBZ\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGMC Sierra\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e2001–2004 Sierra 2500HD\/3500 with 6.6L Duramax LB7\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2004.5–2005 Sierra 2500HD\/3500 with 6.6L Duramax LLY\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2006–2007 Sierra 2500HD\/3500 with 6.6L Duramax LBZ\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Fitment Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDoes not fit Cab \u0026amp; Chassis models.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDownpipe-back exhaust pipe sections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExhaust clamps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExhaust hangers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMuffler on options specifically labeled “w\/Muffler”\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe number and shape of individual pipe sections may vary by selected diameter and muffler configuration.\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eThis system is designed to connect downstream of the factory turbo downpipe. Some shorter wheelbase configurations may require cutting or trimming an intermediate pipe section to achieve the correct overall length.\u003c\/p\u003e\n\u003cp\u003eInstallation time varies depending on vehicle condition, corrosion, wheelbase, exhaust configuration, and installer experience. Professional installation is recommended when exhaust alignment or pipe modification is required.\u003c\/p\u003e\n\u003cp\u003eCheck all clamps, connections, hangers, and clearances after installation. Recheck and retighten the exhaust clamps after the first complete heat cycle.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a DPF delete pipe?\u003c\/strong\u003e\u003cbr\u003eNo. The listed LB7, LLY, and LBZ trucks were produced before the 2007.5 LMM DPF-equipped platform. This product is a downpipe-back exhaust system for compatible 2001–2007 Duramax applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does downpipe-back exhaust mean?\u003c\/strong\u003e\u003cbr\u003eA downpipe-back exhaust replaces the exhaust components after the factory turbo downpipe. It does not replace the downpipe itself.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this system replace the factory turbo downpipe?\u003c\/strong\u003e\u003cbr\u003eNo. A downpipe-back system begins downstream of the factory downpipe. It should not be confused with a turbo-back exhaust system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the 4-inch and 5-inch systems?\u003c\/strong\u003e\u003cbr\u003eThe main difference is pipe diameter. The 5-inch system has a larger exhaust path and generally produces a deeper tone. The 4-inch system offers a more moderate pipe size and exhaust sound.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich options include a muffler?\u003c\/strong\u003e\u003cbr\u003eThe 4\" Downpipe-Back w\/Muffler and 5\" Downpipe-Back w\/Muffler options include a muffler. Options without “w\/Muffler” use a non-muffler configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill the non-muffler version be louder?\u003c\/strong\u003e\u003cbr\u003eYes. A non-muffler exhaust configuration generally produces a louder and more aggressive exhaust note than the corresponding muffler-equipped version.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill cutting be required?\u003c\/strong\u003e\u003cbr\u003eSome shorter wheelbase, cab, or bed configurations may require trimming an intermediate pipe. Measure and test-fit all components before cutting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it fit Cab \u0026amp; Chassis trucks?\u003c\/strong\u003e\u003cbr\u003eNo. This system is not designed for Cab \u0026amp; Chassis applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a tuner required?\u003c\/strong\u003e\u003cbr\u003eA tuner is not automatically required for a conventional downpipe-back exhaust installation. Requirements may vary depending on the truck’s existing exhaust configuration, calibration, and other modifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a downpipe-back exhaust illegal?\u003c\/strong\u003e\u003cbr\u003eLegality depends on local and state emissions and noise laws. Check all applicable regulations before purchase and installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much HP will a downpipe-back exhaust add?\u003c\/strong\u003e\u003cbr\u003ePower gains vary by vehicle condition and setup. This product is primarily designed to improve exhaust flow and sound rather than guarantee a specific horsepower increase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a downpipe-back exhaust bad for the engine?\u003c\/strong\u003e\u003cbr\u003eWhen properly installed on a compatible truck, it is not inherently bad for the engine. Always confirm fitment and install all components correctly.\u003c\/p\u003e\n\u003ch2\u003eCompliance Notice\u003c\/h2\u003e\n\u003cp\u003eThe purchaser and installer are responsible for confirming that the selected exhaust configuration complies with all applicable federal, state, and local laws. \u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"4\" Downpipe-Back(2001-2007)","offer_id":47261524427005,"sku":"DIPSJ-013","price":435.0,"currency_code":"USD","in_stock":true},{"title":"4\" Downpipe-Back w\/Muffler(2001-2007)","offer_id":47411641123069,"sku":"DIPSJ-013M","price":535.0,"currency_code":"USD","in_stock":true},{"title":"5\" Downpipe-Back(2001-2007)","offer_id":47261524459773,"sku":"DIPSJ-007","price":569.0,"currency_code":"USD","in_stock":true},{"title":"5\" Downpipe-Back w\/Muffler(2001-2007)","offer_id":47261524492541,"sku":"DIPSJ-007M","price":669.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/Gemini_Generated_Image_xggfipxggfipxggf.png?v=1791088144"},{"product_id":"4-5-inch-dpf-delete-race-pipe-2011-2015-lml-duramax","title":"2011-2015 6.6L GM Duramax LML DPF Delete Race Pipe 4\" \u0026 5\"","description":"\u003cp\u003eUpgrade your \u003cstrong\u003e2011–early 2015 Chevrolet Silverado or GMC Sierra 2500HD\/3500HD equipped with the 6.\u003c\/strong\u003e\u003cstrong\u003e6L Duramax LML\u003c\/strong\u003e engine with a year-specific exhaust configuration designed for trucks using the earlier\u003cstrong\u003e \u003cspan style=\"color: #ffffff; background-color: #ff7a1a;\"\u003eV-band-style connection.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThree options are available: a 4-inch CAT \u0026amp; DPF replacement pipe, a complete 4-inch downpipe-back exhaust system, and a complete 5-inch downpipe-back exhaust system. Each option is constructed from T409 stainless steel with mandrel-bent tubing for dependable fitment and maximum flow efficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eThese products do not fit 2015.5–2016 trucks with a 3-bolt flange or Cab \u0026amp; Chassis models. \u003c\/strong\u003e\u003c\/span\u003eSome shorter cab, bed, or wheelbase configurations may require pipe trimming during installation.\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_2026_8_11_14_02_57.png?v=1786428194\" alt=\"2011-2015 GM Duramax LML DPF delete race pipe with 4-inch and 5-inch exhaust options\"\u003e\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThree Exhaust Configurations:\u003c\/strong\u003e\u003cbr\u003eChoose a shorter 4-inch CAT \u0026amp; DPF replacement pipe or a complete 4-inch or 5-inch downpipe-back exhaust system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eV-Band-Style Fitment:\u003c\/strong\u003e\u003cbr\u003eDesigned for compatible 2011–early 2015 LML Duramax pickups equipped with the earlier V-band exhaust connection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4-Inch and 5-Inch Options:\u003c\/strong\u003e\u003cbr\u003eThe 4-inch systems provide a more moderate exhaust configuration, while the 5-inch downpipe-back system offers a larger exhaust path and deeper tone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eT409 Stainless Steel Construction:\u003c\/strong\u003e\u003cbr\u003eBuilt for durability under high exhaust temperatures and regular exposure to demanding road conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMandrel-Bent Tubing:\u003c\/strong\u003e\u003cbr\u003eSmooth bends help maintain a consistent internal pipe diameter through curved exhaust sections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHeavy-Duty Pipe Walls:\u003c\/strong\u003e\u003cbr\u003eApproximately 2 mm wall thickness provides added structural strength for diesel truck applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDesigned for Freer Exhaust Flow:\u003c\/strong\u003e\u003cbr\u003eThe larger tubing and replacement sections are designed to reduce exhaust restriction. Actual results vary by truck condition and selected configuration.\u003c\/p\u003e\n\u003ch2\u003eAvailable Options\u003c\/h2\u003e\n\u003ctable style=\"border-collapse: collapse;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eOption\u003c\/th\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003cth\u003ePipe Size\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\" CAT \u0026amp; DPF Delete Pipe\u003c\/td\u003e\n\u003ctd\u003eShort replacement section\u003c\/td\u003e\n\u003ctd\u003e4 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\" Downpipe-Back\u003c\/td\u003e\n\u003ctd\u003eComplete downpipe-back system\u003c\/td\u003e\n\u003ctd\u003e4 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\" Downpipe-Back\u003c\/td\u003e\n\u003ctd\u003eComplete downpipe-back system\u003c\/td\u003e\n\u003ctd\u003e5 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e4\" CAT \u0026amp; DPF Delete Pipe\u003c\/h3\u003e\n\u003cp\u003eThis shorter replacement pipe is designed to replace the factory CAT and DPF exhaust section while retaining the remaining compatible exhaust system. It is not a complete downpipe-back exhaust.\u003c\/p\u003e\n\u003ch3\u003e4\" Downpipe-Back\u003c\/h3\u003e\n\u003cp\u003eThis complete system connects downstream of the factory turbo downpipe and replaces the exhaust toward the rear of the truck. The 4-inch diameter provides a more moderate exhaust tone and pipe size.\u003c\/p\u003e\n\u003ch3\u003e5\" Downpipe-Back\u003c\/h3\u003e\n\u003cp\u003eThis complete downpipe-back system uses 5-inch tubing for a larger exhaust path and a deeper, more aggressive diesel exhaust tone.\u003c\/p\u003e\n\u003cp\u003eA muffler and exhaust tip are not listed as included with any of the available options.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"border-collapse: collapse;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Types\u003c\/td\u003e\n\u003ctd\u003eCAT \u0026amp; DPF replacement pipe or downpipe-back exhaust system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Years\u003c\/td\u003e\n\u003ctd\u003e2011–early 2015\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle Models\u003c\/td\u003e\n\u003ctd\u003eChevrolet Silverado and GMC Sierra 2500HD\/3500HD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003e6.6L Duramax V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Code\u003c\/td\u003e\n\u003ctd\u003eLML\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePipe Diameter\u003c\/td\u003e\n\u003ctd\u003e4 inch or 5 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eT409 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall Thickness\u003c\/td\u003e\n\u003ctd\u003eApproximately 2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eMandrel-bent tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront Connection\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eV-band style\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCab \u0026amp; Chassis Fitment\u003c\/td\u003e\n\u003ctd\u003eNot compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003ch3\u003eChevrolet Silverado\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e2011 Silverado 2500HD\/3500HD with 6.6L Duramax LML\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2012 Silverado 2500HD\/3500HD with 6.6L Duramax LML\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2013 Silverado 2500HD\/3500HD with 6.6L Duramax LML\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2014 Silverado 2500HD\/3500HD with 6.6L Duramax LML\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEarly 2015 Silverado 2500HD\/3500HD with 6.6L Duramax LML\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGMC Sierra\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e2011 Sierra 2500HD\/3500HD with 6.6L Duramax LML\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2012 Sierra 2500HD\/3500HD with 6.6L Duramax LML\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2013 Sierra 2500HD\/3500HD with 6.6L Duramax LML\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2014 Sierra 2500HD\/3500HD with 6.6L Duramax LML\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEarly 2015 Sierra 2500HD\/3500HD with 6.6L Duramax LML\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Fitment Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eThe truck must have the earlier V-band-style exhaust connection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes not fit 2015.5–2016 trucks with a 3-bolt flange.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes not fit Cab \u0026amp; Chassis models.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cp\u003eDepending on the selected option, the package includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSelected 4-inch CAT \u0026amp; DPF replacement pipe sections; or\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSelected 4-inch downpipe-back exhaust pipe sections; or\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSelected 5-inch downpipe-back exhaust pipe sections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExhaust clamps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExhaust hangers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe number and shape of individual pipe sections vary by selected configuration.\u003c\/p\u003e\n\u003cp\u003eA muffler, exhaust tip, sensors, electronic components, and complete fastener quantities are not listed as included.\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003eConfirm that your truck uses the V-band-style exhaust connection before removing the factory exhaust. These options are not compatible with the later 3-bolt-flange system used on 2015.5–2016 trucks.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eMinor cutting or trimming may be required for certain short-wheelbase, cab, or bed configurations. Test-fit and align all pipe sections before cutting or fully tightening the clamps.\u003c\/p\u003e\n\u003cp\u003eThe supplied product information does not confirm whether welding is required or which factory gaskets, bolts, clamps, or mounting components must be reused.\u003c\/p\u003e\n\u003cp\u003eInstallation time varies depending on the selected option, vehicle condition, corrosion, wheelbase, available tools, and installer experience. Professional installation is recommended.\u003c\/p\u003e\n\u003cp\u003eAfter installation, inspect clearance around the frame, suspension, spare tire, fuel lines, brake lines, wiring, and body. Recheck and retighten all clamps after the first complete exhaust heat cycle.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the CAT \u0026amp; DPF Delete Pipe and the downpipe-back systems?\u003c\/strong\u003e\u003cbr\u003eThe 4-inch CAT \u0026amp; DPF Delete Pipe is a shorter replacement section. The 4-inch and 5-inch downpipe-back options replace a larger portion of the exhaust from downstream of the factory turbo downpipe toward the rear of the truck.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo the downpipe-back systems replace the turbo downpipe?\u003c\/strong\u003e\u003cbr\u003eNo. They connect downstream of the factory turbo downpipe. They are not turbo-back exhaust systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I know whether this fits my 2015 truck?\u003c\/strong\u003e\u003cbr\u003eInspect the front exhaust connection. These products require the earlier V-band-style connection and do not fit 2015.5–2016 trucks with a 3-bolt flange.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the 4-inch and 5-inch systems?\u003c\/strong\u003e\u003cbr\u003eThe main difference is pipe diameter. The 5-inch downpipe-back system provides a larger exhaust path and generally produces a deeper tone. The 4-inch system offers a more moderate configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo these options include a muffler?\u003c\/strong\u003e\u003cbr\u003eA muffler is not listed as included with any of the available options.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the kit include an exhaust tip?\u003c\/strong\u003e\u003cbr\u003eAn exhaust tip is not listed as included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill cutting be required?\u003c\/strong\u003e\u003cbr\u003eSome shorter cab, bed, or wheelbase configurations may require trimming an intermediate pipe. Test-fit the selected system before cutting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs welding required?\u003c\/strong\u003e\u003cbr\u003eThe supplied product information does not confirm whether welding is required. Review the physical connections before beginning installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre clamps and hangers included?\u003c\/strong\u003e\u003cbr\u003eYes. Exhaust clamps and hangers are listed as included. Exact quantities may vary by selected option.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this product fit Cab \u0026amp; Chassis trucks?\u003c\/strong\u003e\u003cbr\u003eNo. These configurations are not compatible with Cab \u0026amp; Chassis applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a DPF delete pipe legal?\u003c\/strong\u003e\u003cbr\u003eEmissions-related exhaust modifications may not be legal for street use in some areas. Check all federal, state, and local laws before purchase or installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes a straight pipe delete the DPF?\u003c\/strong\u003e\u003cbr\u003eA straight pipe can replace exhaust sections, but fitment and emissions-system changes depend on the specific parts used. Confirm compatibility before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs DPF delete good for engines?\u003c\/strong\u003e\u003cbr\u003eRemoving emissions-related components may change exhaust flow and diagnostics. Results vary, so verify the intended use and legal restrictions before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill additional vehicle calibration be required?\u003c\/strong\u003e\u003cbr\u003eReplacing factory emissions-related exhaust components may affect vehicle operation and diagnostics. Consult a qualified professional to confirm vehicle compatibility, installation requirements, and applicable legal restrictions.\u003c\/p\u003e\n\u003ch2\u003eCompliance Notice\u003c\/h2\u003e\n\u003cp\u003eThese products alter or replace factory emissions-related exhaust components. The purchaser and installer are responsible for confirming compliance with all applicable federal, state, and local laws before purchase, installation, or use.\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"4\" CAT\u0026DPF Delete Pipe(2011-2015)","offer_id":47384629608701,"sku":"DIPSJ-024","price":249.0,"currency_code":"USD","in_stock":true},{"title":"4\" Downpipe-Back(2011-2015)","offer_id":47384629641469,"sku":"DIPSJ-041","price":498.0,"currency_code":"USD","in_stock":true},{"title":"4\" Downpipe-Back w\/Muffler(2011-2015)","offer_id":71444260520189,"sku":"DIPSJ-041M","price":598.0,"currency_code":"USD","in_stock":true},{"title":"5\" Downpipe-Back(2011-2015)","offer_id":47261591044349,"sku":"DIPSJ-027","price":499.0,"currency_code":"USD","in_stock":true},{"title":"5\" Downpipe-Back w\/Muffler(2011-2015)","offer_id":71444277690621,"sku":"DIPSJ-027M","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/Gemini_Generated_Image_6va2vx6va2vx6va2.png?v=1791088617"},{"product_id":"4-5-inch-dpf-delete-pipe-2015-5-2016-lml-duramax","title":"2015.5-2016 6.6L GM Duramax LML DPF Delete Race Pipe 4\" \u0026 5\"","description":"\u003cp\u003eUpgrade your \u003cstrong\u003e2015.5–2016 Chevrolet Silverado or GMC Sierra 2500HD\/3500HD equipped with the 6.\u003c\/strong\u003e\u003cstrong\u003e6L Duramax LML\u003c\/strong\u003e engine with a 4-inch or 5-inch exhaust configuration designed for the later \u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"background-color: #ff7a1a;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffffff;\"\u003e3-bolt flange connection.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eAvailable options include a shorter 4-inch CAT \u0026amp; DPF delete pipe, a complete 4-inch downpipe-back exhaust system, and a complete 5-inch downpipe-back exhaust system. Each configuration is manufactured from T409 stainless steel with mandrel-bent tubing.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eThese products do not fit earlier 2011–2015 trucks with a V-band connection or Cab \u0026amp; Chassis models. \u003c\/strong\u003e\u003c\/span\u003eSome shorter cab, bed, or wheelbase configurations may require pipe trimming during installation.\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_2026_8_11_14_02_57.png?v=1786428194\" alt=\"Check your inlet connection before you order this DPF delete race pipe\"\u003e\u003c\/div\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThree Exhaust Configurations:\u003c\/strong\u003e\u003cbr\u003eChoose a shorter 4-inch CAT \u0026amp; DPF replacement pipe or a complete 4-inch or 5-inch downpipe-back exhaust system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2015.5–2016 LML Fitment:\u003c\/strong\u003e\u003cbr\u003eDesigned for compatible late-production LML Duramax pickups equipped with the later 3-bolt exhaust flange.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4-Inch and 5-Inch Pipe Options:\u003c\/strong\u003e\u003cbr\u003eThe 4-inch configurations provide a more moderate exhaust setup, while the 5-inch downpipe-back system offers a larger exhaust path and deeper tone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eT409 Stainless Steel Construction:\u003c\/strong\u003e\u003cbr\u003eBuilt for durability under high exhaust temperatures and exposure to demanding road conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMandrel-Bent Tubing:\u003c\/strong\u003e\u003cbr\u003eSmooth bends help maintain a consistent internal pipe diameter through curved exhaust sections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHeavy-Duty Pipe Walls:\u003c\/strong\u003e\u003cbr\u003eApproximately 2 mm wall thickness provides added structural strength for diesel truck applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDesigned for Freer Exhaust Flow:\u003c\/strong\u003e\u003cbr\u003eThe larger tubing and replacement sections are designed to reduce exhaust restriction and help the engine breathe easier. Actual results vary by vehicle condition, configuration, and other modifications.\u003c\/p\u003e\n\u003ch2\u003eAvailable Options\u003c\/h2\u003e\n\u003ctable style=\"border-collapse: collapse;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eOption\u003c\/th\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003cth\u003ePipe Size\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\" CAT \u0026amp; DPF Delete Pipe\u003c\/td\u003e\n\u003ctd\u003eShort replacement section\u003c\/td\u003e\n\u003ctd\u003e4 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\" Downpipe-Back\u003c\/td\u003e\n\u003ctd\u003eComplete downpipe-back system\u003c\/td\u003e\n\u003ctd\u003e4 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\" Downpipe-Back\u003c\/td\u003e\n\u003ctd\u003eComplete downpipe-back system\u003c\/td\u003e\n\u003ctd\u003e5 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e4\" CAT \u0026amp; DPF Delete Pipe\u003c\/h3\u003e\n\u003cp\u003eThis shorter replacement section is designed to replace the factory CAT and DPF exhaust section while retaining compatible portions of the existing exhaust system. It is not a complete downpipe-back exhaust.\u003c\/p\u003e\n\u003ch3\u003e4\" Downpipe-Back\u003c\/h3\u003e\n\u003cp\u003eThis complete exhaust system connects downstream of the factory turbo downpipe and replaces the exhaust toward the rear of the truck. The 4-inch diameter provides a more moderate exhaust tone and pipe size.\u003c\/p\u003e\n\u003ch3\u003e5\" Downpipe-Back\u003c\/h3\u003e\n\u003cp\u003eThis complete downpipe-back system uses larger 5-inch tubing for a deeper and more aggressive diesel exhaust tone.\u003c\/p\u003e\n\u003cp\u003eA muffler and exhaust tip are not listed as included with any of the available options.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"border-collapse: collapse;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Types\u003c\/td\u003e\n\u003ctd\u003eCAT \u0026amp; DPF replacement pipe or downpipe-back exhaust system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Years\u003c\/td\u003e\n\u003ctd\u003e2015.5–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle Models\u003c\/td\u003e\n\u003ctd\u003eChevrolet Silverado and GMC Sierra 2500HD\/3500HD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003e6.6L Duramax V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Code\u003c\/td\u003e\n\u003ctd\u003eLML\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePipe Diameter\u003c\/td\u003e\n\u003ctd\u003e4 inch or 5 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eT409 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall Thickness\u003c\/td\u003e\n\u003ctd\u003eApproximately 2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eMandrel-bent tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront Connection\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3-bolt flange\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCab \u0026amp; Chassis Fitment\u003c\/td\u003e\n\u003ctd\u003eNot compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003ch3\u003eChevrolet Silverado\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eLate 2015 Silverado 2500HD with 6.6L Duramax LML\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLate 2015 Silverado 3500HD with 6.6L Duramax LML\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2016 Silverado 2500HD with 6.6L Duramax LML\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2016 Silverado 3500HD with 6.6L Duramax LML\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGMC Sierra\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eLate 2015 Sierra 2500HD with 6.6L Duramax LML\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLate 2015 Sierra 3500HD with 6.6L Duramax LML\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2016 Sierra 2500HD with 6.6L Duramax LML\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2016 Sierra 3500HD with 6.6L Duramax LML\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Fitment Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003eThe truck must have the later 3-bolt exhaust flange.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes not fit earlier 2011–2015 trucks equipped with a V-band connection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes not fit Cab \u0026amp; Chassis models.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cp\u003eDepending on the selected option, the package includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSelected 4-inch CAT \u0026amp; DPF replacement pipe sections; or\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSelected 4-inch downpipe-back exhaust pipe sections; or\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSelected 5-inch downpipe-back exhaust pipe sections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExhaust clamps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExhaust hangers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe number and shape of individual pipe sections vary by selected configuration.\u003c\/p\u003e\n\u003cp\u003eA muffler, exhaust tip, sensors, electronic components, flange gasket, bolts, and other unlisted components are not confirmed as included.\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eConfirm that your truck uses the later 3-bolt exhaust flange before removing the factory exhaust. These products are not compatible with earlier trucks equipped with a V-band-style connection.\u003c\/p\u003e\n\u003cp\u003eThe CAT \u0026amp; DPF replacement pipe and the complete downpipe-back systems replace different portions of the exhaust. Confirm the selected configuration before installation.\u003c\/p\u003e\n\u003cp\u003eMinor cutting or trimming may be required for certain short-wheelbase, cab, or bed combinations. Test-fit and align all pipe sections before cutting or fully tightening the clamps.\u003c\/p\u003e\n\u003cp\u003eThe available product information does not confirm whether welding is required or which factory gaskets, bolts, clamps, or mounting components must be reused.\u003c\/p\u003e\n\u003cp\u003eInstallation time varies depending on the selected configuration, vehicle condition, corrosion, wheelbase, available tools, and installer experience. Professional installation is recommended.\u003c\/p\u003e\n\u003cp\u003eAfter installation, inspect clearance around the frame, suspension, spare tire, fuel lines, brake lines, wiring, and body. Recheck and retighten all exhaust connections after the first complete heat cycle.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the CAT \u0026amp; DPF Delete Pipe and the downpipe-back systems?\u003c\/strong\u003e\u003cbr\u003eThe 4-inch CAT \u0026amp; DPF Delete Pipe is a shorter replacement section. The 4-inch and 5-inch downpipe-back options replace a larger portion of the exhaust from downstream of the factory turbo downpipe toward the rear of the truck.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo the downpipe-back systems replace the factory turbo downpipe?\u003c\/strong\u003e\u003cbr\u003eNo. They connect downstream of the factory turbo downpipe. They are not turbo-back exhaust systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I know whether this fits my 2015 truck?\u003c\/strong\u003e\u003cbr\u003eInspect the front exhaust connection. These products require the later 3-bolt flange and do not fit earlier trucks equipped with a V-band connection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the 4-inch and 5-inch downpipe-back systems?\u003c\/strong\u003e\u003cbr\u003eThe main difference is pipe diameter. The 5-inch system provides a larger exhaust path and generally produces a deeper tone. The 4-inch system offers a more moderate configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo any of the available options include a muffler?\u003c\/strong\u003e\u003cbr\u003eA muffler is not listed as included with any of the available configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the package include an exhaust tip?\u003c\/strong\u003e\u003cbr\u003eAn exhaust tip is not listed as included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill cutting be required?\u003c\/strong\u003e\u003cbr\u003eSome shorter cab, bed, or wheelbase configurations may require trimming an intermediate pipe. Test-fit the selected system before cutting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs welding required?\u003c\/strong\u003e\u003cbr\u003eThe available product information does not confirm whether welding is required. Review the physical connections before beginning installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre clamps and hangers included?\u003c\/strong\u003e\u003cbr\u003eYes. Exhaust clamps and hangers are listed as included. Exact quantities may vary by selected configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this product fit Cab \u0026amp; Chassis trucks?\u003c\/strong\u003e\u003cbr\u003eNo. These products are not compatible with Cab \u0026amp; Chassis applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill additional vehicle calibration be required?\u003c\/strong\u003e\u003cbr\u003eReplacing factory emissions-related exhaust components may affect vehicle operation and diagnostics. Consult a qualified professional to confirm vehicle compatibility, installation requirements, and applicable legal restrictions.\u003c\/p\u003e\n\u003ch2\u003eCompliance Notice\u003c\/h2\u003e\n\u003cp\u003eThese products alter or replace factory emissions-related exhaust components. The purchaser and installer are responsible for confirming compliance with all applicable federal, state, and local laws before purchase, installation, or use.\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"4\"Cat\u0026DPF Delete Pipe(2015.5-2016)","offer_id":47261643047165,"sku":"DIPSJ-025","price":249.0,"currency_code":"USD","in_stock":true},{"title":"4\" Downpipe-Back(2015.5-2016)","offer_id":47261643079933,"sku":"DIPSJ-039","price":499.0,"currency_code":"USD","in_stock":true},{"title":"4\" Downpipe-Back w\/Muffler(2015.5-2016)","offer_id":71444282835197,"sku":"DIPSJ-039M","price":599.0,"currency_code":"USD","in_stock":true},{"title":"5\" Downpipe-Back(2015.5-2016)","offer_id":47261643112701,"sku":"DIPSJ-020","price":559.0,"currency_code":"USD","in_stock":true},{"title":"5\" Downpipe-Back w\/Muffler(2015.5-2016)","offer_id":71444287357181,"sku":"DIPSJ-020M","price":659.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/Gemini_Generated_Image_ldpl1eldpl1eldpl.png?v=1791089046"},{"product_id":"4-5-inch-dpf-delete-pipe-2017-2025-l5p-duramax","title":"2017-2025 6.6L GM Duramax L5P DPF Delete Race Pipe 4\" \u0026 5\"","description":"\u003cp\u003eUpgrade your \u003cstrong\u003e2017–2025 Chevrolet Silverado or GMC Sierra 2500HD\/3500HD equipped with the 6.6L Duramax L5P engine\u003c\/strong\u003e with a year-specific 4-inch or 5-inch exhaust configuration.\u003c\/p\u003e\n\u003cp\u003eAvailable options include a 4-inch CAT \u0026amp; DPF replacement pipe and complete 4-inch or 5-inch downpipe-back exhaust systems. Select 2017–2019 configurations are also available with a muffler.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ffffff; background-color: #ff7a1a;\"\u003e\u003cstrong\u003eFits only models equipped with a turbo downpipe featuring an OEM-style 4-bolt flange.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eEach system is constructed from T409 stainless steel with mandrel-bent tubing. \u003cstrong\u003eThese products do not fit Cab \u0026amp; Chassis models\u003c\/strong\u003e, and some shorter cab, bed, or wheelbase configurations may require pipe trimming during installation.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_2026_8_11_14_02_57.png?v=1786428194\" alt=\"2017-2025 Duramax L5P DPF delete race pipe 4-inch and 5-inch exhaust options\"\u003e\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eMultiple Exhaust Configurations:\u003c\/strong\u003e\u003cbr\u003eChoose a shorter 4-inch CAT \u0026amp; DPF replacement pipe or a complete 4-inch or 5-inch downpipe-back exhaust system.\u003cimg\u003e\u003cimg\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eYear-Specific Fitment:\u003c\/strong\u003e\u003cbr\u003eSeparate downpipe-back configurations are available for 2017–2019 and 2020–2025 L5P Duramax trucks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4-Inch and 5-Inch Pipe Options:\u003cimg\u003e\u003cimg\u003e\u003c\/strong\u003e\u003cbr\u003eThe 4-inch systems provide a more moderate exhaust configuration, while the 5-inch systems offer a larger exhaust path and deeper tone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMuffler and Non-Muffler Options:\u003c\/strong\u003e\u003cbr\u003eSelect 2017–2019 systems are available with a muffler for more controlled sound or without a muffler for a louder exhaust note.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eT409 Stainless Steel Construction:\u003c\/strong\u003e\u003cbr\u003eBuilt for durability under high exhaust temperatures and demanding road conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMandrel-Bent Tubing:\u003c\/strong\u003e\u003cbr\u003eSmooth bends help maintain a consistent internal pipe diameter throughout curved exhaust sections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHeavy-Duty Pipe Walls:\u003c\/strong\u003e\u003cbr\u003eApproximately 2 mm wall thickness provides added structural strength for diesel truck applications.\u003c\/p\u003e\n\u003ch2\u003eAvailable Options\u003c\/h2\u003e\n\u003ctable style=\"border-collapse: collapse;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eOption\u003c\/th\u003e\n\u003cth\u003eModel Years\u003c\/th\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\" CAT \u0026amp; DPF Delete Pipe\u003c\/td\u003e\n\u003ctd\u003e2017–2025\u003c\/td\u003e\n\u003ctd\u003eShort replacement section\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\" Downpipe-Back\u003c\/td\u003e\n\u003ctd\u003e2017–2019\u003c\/td\u003e\n\u003ctd\u003eNo muffler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\" Downpipe-Back w\/Muffler\u003c\/td\u003e\n\u003ctd\u003e2017–2019\u003c\/td\u003e\n\u003ctd\u003eIncludes muffler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\" Downpipe-Back\u003c\/td\u003e\n\u003ctd\u003e2017–2019\u003c\/td\u003e\n\u003ctd\u003eNo muffler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\" Downpipe-Back w\/Muffler\u003c\/td\u003e\n\u003ctd\u003e2017–2019\u003c\/td\u003e\n\u003ctd\u003eIncludes muffler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\" Downpipe-Back\u003c\/td\u003e\n\u003ctd\u003e2020–2025\u003c\/td\u003e\n\u003ctd\u003eNo muffler listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\" Downpipe-Back\u003c\/td\u003e\n\u003ctd\u003e2020–2025\u003c\/td\u003e\n\u003ctd\u003eNo muffler listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e4\" CAT \u0026amp; DPF Delete Pipe\u003c\/h3\u003e\n\u003cp\u003eThis shorter replacement section is designed to replace the factory CAT and DPF exhaust section while retaining compatible portions of the existing exhaust system. It is not a complete downpipe-back exhaust system.\u003c\/p\u003e\n\u003ch3\u003e4\" Downpipe-Back Systems\u003c\/h3\u003e\n\u003cp\u003eThe 4-inch downpipe-back systems connect downstream of the factory turbo downpipe and replace the exhaust toward the rear of the truck. They provide a more moderate pipe size and exhaust tone than the 5-inch options.\u003c\/p\u003e\n\u003ch3\u003e5\" Downpipe-Back Systems\u003c\/h3\u003e\n\u003cp\u003eThe 5-inch downpipe-back systems provide the largest listed pipe diameter and generally produce a deeper, more aggressive exhaust note.\u003c\/p\u003e\n\u003ch3\u003eMuffler-Equipped Options\u003c\/h3\u003e\n\u003cp\u003eThe 2017–2019 options specifically labeled “w\/Muffler” include a muffler to help control overall exhaust volume. These configurations may be better suited to regular driving, towing, and longer highway trips.\u003c\/p\u003e\n\u003cp\u003eActual sound varies depending on pipe diameter, muffler selection, cab style, bed length, vehicle condition, and other modifications.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"border-collapse: collapse;\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Types\u003c\/td\u003e\n\u003ctd\u003eCAT \u0026amp; DPF replacement pipe or downpipe-back exhaust system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Years\u003c\/td\u003e\n\u003ctd\u003e2017–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle Models\u003c\/td\u003e\n\u003ctd\u003eChevrolet Silverado and GMC Sierra 2500HD\/3500HD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003e6.6L Duramax V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Code\u003c\/td\u003e\n\u003ctd\u003eL5P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePipe Diameter\u003c\/td\u003e\n\u003ctd\u003e4 inch or 5 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eT409 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall Thickness\u003c\/td\u003e\n\u003ctd\u003eApproximately 2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003eMandrel-bent tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMuffler\u003c\/td\u003e\n\u003ctd\u003eOption-dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eConnection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eOEM-style 4-bolt flange\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCab \u0026amp; Chassis Fitment\u003c\/td\u003e\n\u003ctd\u003eNot compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003ch3\u003e2017–2019 Chevrolet Silverado\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSilverado 2500HD with 6.6L Duramax L5P\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSilverado 3500HD with 6.6L Duramax L5P\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e2017–2019 GMC Sierra\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSierra 2500HD with 6.6L Duramax L5P\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSierra 3500HD with 6.6L Duramax L5P\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAvailable 2017–2019 downpipe-back configurations include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e4-inch without muffler\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e4-inch with muffler\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e5-inch without muffler\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e5-inch with muffler\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e2020–2025 Chevrolet Silverado\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSilverado 2500HD with 6.6L Duramax L5P\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSilverado 3500HD with 6.6L Duramax L5P\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e2020–2025 GMC Sierra\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSierra 2500HD with 6.6L Duramax L5P\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSierra 3500HD with 6.6L Duramax L5P\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAvailable 2020–2025 downpipe-back configurations include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e4-inch without muffler\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e5-inch without muffler\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eImportant Fitment Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDoes not fit Cab \u0026amp; Chassis models.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e \u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFits only models equipped with a turbo downpipe featuring an OEM-style 4-bolt flange.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cp\u003eDepending on the selected option, the package includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSelected 4-inch CAT \u0026amp; DPF replacement pipe sections; or\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSelected 4-inch downpipe-back exhaust pipe sections; or\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSelected 5-inch downpipe-back exhaust pipe sections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExhaust clamps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExhaust hangers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMuffler with options specifically labeled “w\/Muffler”\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe number and shape of individual pipe sections vary by selected model-year range, pipe diameter, and muffler configuration.\u003c\/p\u003e\n\u003cp\u003eSome factory hardware may need to be reused during installation.\u003c\/p\u003e\n\u003cp\u003eAn exhaust tip, sensors, electronic components, flange gasket, bolts, and other unlisted components are not confirmed as included.\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eSelect the configuration that matches your truck’s model year and physical exhaust connection before removing the factory exhaust.\u003c\/p\u003e\n\u003cp\u003eThe 4-inch CAT \u0026amp; DPF replacement pipe and the complete downpipe-back systems replace different portions of the exhaust. Confirm the selected configuration before installation.\u003c\/p\u003e\n\u003cp\u003eMinor cutting or trimming may be required for certain short-wheelbase, cab, or bed combinations. Test-fit and align all pipe sections before cutting or fully tightening the clamps.\u003c\/p\u003e\n\u003cp\u003eThe supplied product information does not confirm whether welding is required. Some factory mounting hardware may need to be reused.\u003c\/p\u003e\n\u003cp\u003eInstallation time varies depending on the selected configuration, vehicle condition, corrosion, wheelbase, available tools, and installer experience. Professional installation is recommended.\u003c\/p\u003e\n\u003cp\u003eAfter installation, inspect clearance around the frame, suspension, spare tire, fuel lines, brake lines, wiring, and body. Recheck and retighten all exhaust connections after the first complete heat cycle.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the CAT \u0026amp; DPF Delete Pipe and the downpipe-back systems?\u003c\/strong\u003e\u003cbr\u003eThe 4-inch CAT \u0026amp; DPF Delete Pipe is a shorter replacement section. The 4-inch and 5-inch downpipe-back options replace a larger portion of the exhaust from downstream of the factory turbo downpipe toward the rear of the truck.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo the downpipe-back systems replace the factory turbo downpipe?\u003c\/strong\u003e\u003cbr\u003eNo. They connect downstream of the factory turbo downpipe. These products are not turbo-back exhaust systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the 4-inch and 5-inch systems?\u003c\/strong\u003e\u003cbr\u003eThe main difference is pipe diameter. The 5-inch system provides a larger exhaust path and generally produces a deeper tone. The 4-inch system offers a more moderate pipe size and sound profile.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich options include a muffler?\u003c\/strong\u003e\u003cbr\u003eOnly the 2017–2019 options specifically labeled “w\/Muffler” include a muffler.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo the 2020–2025 options include a muffler?\u003c\/strong\u003e\u003cbr\u003eNo muffler-equipped 2020–2025 option is listed. The available configurations are identified as 4-inch and 5-inch non-muffler downpipe-back systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the kit include an exhaust tip?\u003c\/strong\u003e\u003cbr\u003eAn exhaust tip is not listed as included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill cutting be required?\u003c\/strong\u003e\u003cbr\u003eSome shorter cab, bed, or wheelbase configurations may require trimming an intermediate pipe. Test-fit the complete system before cutting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs welding required?\u003c\/strong\u003e\u003cbr\u003eThe supplied product information does not confirm whether welding is required. Review the physical connection design before beginning installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre clamps and hangers included?\u003c\/strong\u003e\u003cbr\u003eYes. Exhaust clamps and hangers are listed as included. Exact quantities may vary by selected configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this product fit Cab \u0026amp; Chassis trucks?\u003c\/strong\u003e\u003cbr\u003eNo. These configurations are not compatible with Cab \u0026amp; Chassis applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill additional vehicle calibration be required?\u003c\/strong\u003e\u003cbr\u003eReplacing factory emissions-related exhaust components may affect vehicle operation and diagnostics. Consult a qualified professional to confirm vehicle compatibility, installation requirements, and applicable legal restrictions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a DPF delete pipe legal?\u003c\/strong\u003e\u003cbr\u003eLegality varies by location and use. Check all applicable federal, state, and local laws before purchase or installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes a straight pipe delete the DPF?\u003c\/strong\u003e\u003cbr\u003eA straight pipe may replace exhaust sections, but this product is offered as a CAT \u0026amp; DPF replacement pipe or downpipe-back exhaust system, depending on the selected option.\u003c\/p\u003e\n\u003ch2\u003eCompliance Notice\u003c\/h2\u003e\n\u003cp\u003eThese products alter or replace factory emissions-related exhaust components. The purchaser and installer are responsible for confirming compliance with all applicable federal, state, and local laws before purchase, installation, or use.\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"4\"Cat\u0026DPF Delete Pipe(2017-2025)","offer_id":47261681516797,"sku":"DIPSJ-004","price":259.0,"currency_code":"USD","in_stock":true},{"title":"4\" Downpipe-Back(2017-2019)","offer_id":47261681549565,"sku":"DIPSJ-009S","price":498.0,"currency_code":"USD","in_stock":true},{"title":"4\" Downpipe-Back w\/Muffler(2017-2019)","offer_id":47261681582333,"sku":"DIPSJ-009W","price":598.0,"currency_code":"USD","in_stock":true},{"title":"5\" Downpipe-Back(2017-2019)","offer_id":47261681615101,"sku":"DIPSJ-026","price":599.0,"currency_code":"USD","in_stock":true},{"title":"5\" Downpipe-Back w\/Muffler（2017-2019）","offer_id":47261681647869,"sku":"DIPSJ-026W","price":699.0,"currency_code":"USD","in_stock":true},{"title":"4\" Downpipe-Back(2020-2025)","offer_id":47261681680637,"sku":"DIPSJ-009S","price":498.0,"currency_code":"USD","in_stock":true},{"title":"5\" Downpipe-Back(2020-2025)","offer_id":47261681713405,"sku":"DIPSJ-026","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/Gemini_Generated_Image_nfnkl0nfnkl0nfnk.png?v=1791089061"},{"product_id":"ccv-reroute-delete-kit-2017-2025-duramax-l5p-6-6l","title":"2017-2025 6.6L GM Duramax L5P CCV Reroute Delete Kit","description":"\u003ch2 data-path-to-node=\"2\"\u003e2017-2025 6.6L GM Duramax L5P CCV Reroute Delete Kit\u003c\/h2\u003e\n\u003cp data-path-to-node=\"3\"\u003eProtect your engine and turbocharger with our high-performance \u003cstrong data-path-to-node=\"3\" data-index-in-node=\"99\"\u003eCCV Reroute Delete Kit for the 2017-2025 L5P 6.\u003c\/strong\u003e\u003cstrong data-path-to-node=\"3\" data-index-in-node=\"99\"\u003e6L Duramax\u003c\/strong\u003e. The factory Closed Crankcase Ventilation (CCV) system is a known weak point; its plastic housing is prone to cracking over time due to heat cycles. More importantly, it routes oily blow-by gases and hot crankcase vapors directly into your intake air horn, causing oil deposits, intake sludge, carbon buildup, and oil-soaked intercooler boots.\u003c\/p\u003e\n\u003cp data-path-to-node=\"4\"\u003eThis kit provides a permanent solution by filtering and rerouting those gases, helping keep oil droplets and oil vapor out of the intake system so only clean, cool air enters your engine. It is an essential reliability upgrade for any \u003cstrong data-path-to-node=\"4\" data-index-in-node=\"176\"\u003eSilverado or Sierra 2500HD\/3500HD\u003c\/strong\u003e owner looking to maintain peak performance and a clean engine bay.\u003c\/p\u003e\n\u003chr data-path-to-node=\"5\"\u003e\n\u003ch3 data-path-to-node=\"6\"\u003eKey Performance Benefits\u003c\/h3\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cstrong data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eEliminate Intake Oil Contamination:\u003c\/strong\u003e Helps stop oily mist from coating your turbo compressor wheel and intake valves, reducing oil deposits and performance-robbing carbon buildup.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cstrong data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eSuperior Reliability:\u003c\/strong\u003e Replaces the failure-prone factory plastic CCV components with durable, heat-resistant materials designed for dependable use under high-stress conditions.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cstrong data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003eImproved Thermal Efficiency:\u003c\/strong\u003e Prevents hot crankcase gases from entering the intake air horn, helping support lower intake air temperatures (IATs).\u003c\/p\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cstrong data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003eProtect Intercooler Boots:\u003c\/strong\u003e By catching oil prior to entering the charge system, you help prevent \"boot soak\"—a leading cause of rubber degradation and boost leaks.\u003c\/p\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"8\"\u003e\n\u003ch3 data-path-to-node=\"9\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 99.9589%; height: 139.083px; border-collapse: collapse;\" border=\"1\" data-path-to-node=\"10\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 30.5188%; height: 19.5833px;\"\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.0208%; height: 19.5833px;\"\u003e\u003cstrong\u003eDetail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 30.5188%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"10,1,0,0\"\u003e\u003cstrong data-path-to-node=\"10,1,0,0\" data-index-in-node=\"0\"\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.0208%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"10,1,1,0\"\u003e6.6L Duramax V8 (L5P Engine Code)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 30.5188%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"10,2,0,0\"\u003e\u003cstrong data-path-to-node=\"10,2,0,0\" data-index-in-node=\"0\"\u003eModel Years\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.0208%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"10,2,1,0\"\u003e2017 - 2025\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 30.5188%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"10,3,0,0\"\u003e\u003cstrong data-path-to-node=\"10,3,0,0\" data-index-in-node=\"0\"\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.0208%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"10,3,1,0\"\u003eChevy Silverado \/ GMC Sierra 2500HD \u0026amp; 3500HD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 21.5833px;\"\u003e\n\u003ctd style=\"width: 30.5188%; height: 21.5833px;\"\u003e\u003cspan data-path-to-node=\"10,4,0,0\"\u003e\u003cstrong data-path-to-node=\"10,4,0,0\" data-index-in-node=\"0\"\u003eSystem Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.0208%; height: 21.5833px;\"\u003e\u003cspan data-path-to-node=\"10,4,1,0\"\u003eCCV Reroute Delete Kit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 30.5188%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"10,5,0,0\"\u003e\u003cstrong data-path-to-node=\"10,5,0,0\" data-index-in-node=\"0\"\u003eConstruction\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.0208%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"10,5,1,0\"\u003eIndustrial-Grade, Heat-Resistant Components\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"width: 30.5188%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"10,6,0,0\"\u003e\u003cstrong data-path-to-node=\"10,6,0,0\" data-index-in-node=\"0\"\u003eInstallation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 67.0208%; height: 19.5833px;\"\u003e\u003cspan data-path-to-node=\"10,6,1,0\"\u003eDirect Bolt-On (Basic Hand Tools Required)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr data-path-to-node=\"11\"\u003e\n\u003ch3 data-path-to-node=\"12\"\u003eDetailed Fitment Guide\u003c\/h3\u003e\n\u003cul data-path-to-node=\"13\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,0,0\"\u003e\u003cstrong data-path-to-node=\"13,0,0\" data-index-in-node=\"0\"\u003ePickup Trucks:\u003c\/strong\u003e Fits all Crew Cab Short Bed and Crew Cab Long Bed configurations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"13,1,0\"\u003e\u003cstrong data-path-to-node=\"13,1,0\" data-index-in-node=\"0\"\u003eImportant Restriction:\u003c\/strong\u003e This kit is \u003cstrong data-path-to-node=\"13,1,0\" data-index-in-node=\"35\"\u003eNOT compatible\u003c\/strong\u003e with 3500, 4500, or 5500 \u003cstrong data-path-to-node=\"13,1,0\" data-index-in-node=\"75\"\u003eCab \u0026amp; Chassis\u003c\/strong\u003e commercial-style trucks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"14\"\u003e\n\u003ch3 data-path-to-node=\"15\"\u003eWhy Your L5P Needs This Kit\u003c\/h3\u003e\n\u003cp data-path-to-node=\"16\"\u003eThe 6.6L L5P is a powerhouse, but its factory ventilation design means the intake system is constantly exposed to oily blow-by. Over time, this oil forms a thick sludge that restricts airflow and reduces fuel efficiency. Our CCV Reroute \u0026amp; Catch Can Kit is a cost-effective insurance policy for your Duramax’s turbocharger, helping support better pressure flow, a cleaner engine bay, and long-term intake longevity.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"17\"\u003eFAQ\u003c\/h3\u003e\n\u003cul data-path-to-node=\"18\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"18,0,0\"\u003e\u003cstrong\u003eWhat is the point of a CCV delete reroute kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"18,0,0\"\u003eIt helps vent crankcase pressure and reroute oil vapor away from the intake system to reduce oil deposits and intake sludge.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"18,1,0\"\u003e\u003cstrong\u003eIs a CCV delete illegal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"18,1,0\"\u003eLaws vary by location and use case. Check your local emission standards before installing a delete-style component.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"18,2,0\"\u003e\u003cstrong\u003eIs a CCV reroute worth it?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"18,2,0\"\u003eFor many Duramax owners, it is a worthwhile reliability upgrade for reducing oil contamination in the intake and turbo system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"18,3,0\"\u003e\u003cstrong\u003eWhat are the downsides of deleting the CCV?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"18,3,0\"\u003eDepending on setup and local regulations, potential downsides can include compliance concerns and the need for proper maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DieselPerf","offers":[{"title":"Default Title","offer_id":47261892182269,"sku":"DIPWU-0085","price":149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_May_11_2026_11_02_02_PM_8.png?v=1785763140"},{"product_id":"efilive-autocal-v3-dpf-delete-tuner-duramax-6-6l-2001-2016","title":"2001-2016 GM Duramax 6.6L EFILive AutoCal V3 Delete Tuner","description":"\u003ch2 data-path-to-node=\"2\"\u003eEFILive AutoCal V3 with Custom Tuning | 2001-2016 Duramax 6.6L\u003c\/h2\u003e\n\u003cp data-path-to-node=\"3\"\u003eTake complete control of your Duramax with the \u003cstrong data-path-to-node=\"3\" data-index-in-node=\"47\"\u003eEFILive AutoCal V3 Custom Tuning Package\u003c\/strong\u003e. This professional-grade solution is precision-calibrated for the \u003cstrong data-path-to-node=\"3\" data-index-in-node=\"154\"\u003e6.6L Duramax (LB7, LLY, LBZ, LMM, and LML)\u003c\/strong\u003e. By replacing restrictive factory programming with our specialized custom tunes, you can unlock significant horsepower, improved fuel economy, and the crisp throttle response your truck deserves.\u003c\/p\u003e\n\u003cp data-path-to-node=\"4\"\u003eThe \u003cstrong data-path-to-node=\"4\" data-index-in-node=\"4\"\u003eAutoCal V3\u003c\/strong\u003e serves as your handheld interface to read, flash, and diagnose your vehicle. Whether you are daily driving, towing heavy loads, or seeking maximum performance for off-road use, this package provides a seamless, high-velocity tuning experience with remote custom tuning support.\u003c\/p\u003e\n\u003chr data-path-to-node=\"5\"\u003e\n\u003ch3 data-path-to-node=\"6\"\u003eWhat’s Included in the Tuning Package\u003c\/h3\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cstrong data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eEFILive AutoCal V3 Device:\u003c\/strong\u003e The latest generation hardware from EFILive, supporting high-speed data logging, diagnostics, and storage for multiple custom tune files.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cstrong data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eCustom Engine-Specific Tunes:\u003c\/strong\u003e Tailored specifically to your VIN and modifications to ensure proper ECM communication and smooth power delivery.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cstrong data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003eDSP5 Switch-On-The-Fly (SOTF):\u003c\/strong\u003e Includes the required year-specific DSP5 switch, allowing you to cycle through \u003cstrong data-path-to-node=\"7,2,0\" data-index-in-node=\"110\"\u003e5 different power levels\u003c\/strong\u003e instantly while driving.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cstrong data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003eFull Diagnostic Support:\u003c\/strong\u003e Read and clear Diagnostic Trouble Codes (DTCs) and monitor live engine data directly from the device.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"8\"\u003e\n\u003ch3 data-path-to-node=\"9\"\u003ePower Levels \u0026amp; Performance\u003c\/h3\u003e\n\u003cp data-path-to-node=\"10\"\u003eOur custom tunes provide five distinct levels to suit any driving condition:\u003c\/p\u003e\n\u003col start=\"1\" data-path-to-node=\"11\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,0,0\"\u003e\u003cstrong data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"\u003eStock:\u003c\/strong\u003e Optimized factory parameters for maximum reliability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,1,0\"\u003e\u003cstrong data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"\u003e+30 HP (Heavy Tow):\u003c\/strong\u003e Enhanced low-end torque for heavy hauling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,2,0\"\u003e\u003cstrong data-path-to-node=\"11,2,0\" data-index-in-node=\"0\"\u003e+65 HP (Eco\/Daily):\u003c\/strong\u003e Balanced for maximum MPG and smooth shifting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,3,0\"\u003e\u003cstrong data-path-to-node=\"11,3,0\" data-index-in-node=\"0\"\u003e+100 HP (Street):\u003c\/strong\u003e High-performance response for daily driving.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,4,0\"\u003e\u003cstrong data-path-to-node=\"11,4,0\" data-index-in-node=\"0\"\u003e+130 HP (Race):\u003c\/strong\u003e Maximum power and torque for off-road\/competition use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr data-path-to-node=\"12\"\u003e\n\u003ch3 data-path-to-node=\"13\"\u003eTechnical Specifications \u0026amp; Compatibility\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse;\" border=\"1\" data-path-to-node=\"14\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,1,0,0\"\u003e\u003cstrong data-path-to-node=\"14,1,0,0\" data-index-in-node=\"0\"\u003eEngine Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,1,1,0\"\u003eLB7, LLY, LBZ, LMM, LML (6.6L Duramax)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,2,0,0\"\u003e\u003cstrong data-path-to-node=\"14,2,0,0\" data-index-in-node=\"0\"\u003eModel Years\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,2,1,0\"\u003e2001 - 2016\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,3,0,0\"\u003e\u003cstrong data-path-to-node=\"14,3,0,0\" data-index-in-node=\"0\"\u003eHardware\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,3,1,0\"\u003eEFILive AutoCal V3 (Latest Gen)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,4,0,0\"\u003e\u003cstrong data-path-to-node=\"14,4,0,0\" data-index-in-node=\"0\"\u003eSOTF Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,4,1,0\"\u003eIncluded (DSP5 Switch)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,5,0,0\"\u003e\u003cstrong data-path-to-node=\"14,5,0,0\" data-index-in-node=\"0\"\u003eSoftware Req.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,5,1,0\"\u003eEFILive Scan \u0026amp; Tune V8 (Windows 7–11)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,6,0,0\"\u003e\u003cstrong data-path-to-node=\"14,6,0,0\" data-index-in-node=\"0\"\u003eCab \u0026amp; Chassis\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,6,1,0\"\u003eLMM \u0026amp; LML Models (Dual Tank Only)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr data-path-to-node=\"15\"\u003e\n\u003ch3 data-path-to-node=\"16\"\u003eImportant Installation \u0026amp; Fitment Notes\u003c\/h3\u003e\n\u003cul data-path-to-node=\"17\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,0,0\"\u003e\u003cstrong data-path-to-node=\"17,0,0\" data-index-in-node=\"0\"\u003eEmission Modification Note:\u003c\/strong\u003e The vehicle \u003cstrong data-path-to-node=\"17,0,0\" data-index-in-node=\"40\"\u003emust be tuned prior\u003c\/strong\u003e to the removal of any emissions hardware (DPF\/CAT\/EGR) to prevent \"Limp Mode\" or permanent ECM damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,1,0\"\u003e\u003cstrong data-path-to-node=\"17,1,0\" data-index-in-node=\"0\"\u003eTune Delivery:\u003c\/strong\u003e The AutoCal V3 device is shipped blank. Once you receive the hardware and submit your vehicle info, your custom calibration files will be delivered via email.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,2,0\"\u003e\u003cstrong data-path-to-node=\"17,2,0\" data-index-in-node=\"0\"\u003eCab \u0026amp; Chassis Compatibility:\u003c\/strong\u003e Fits LMM\/LML dual-tank commercial trucks. Single-tank chassis configurations are \u003cstrong data-path-to-node=\"17,2,0\" data-index-in-node=\"110\"\u003enot\u003c\/strong\u003e compatible.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,3,0\"\u003e\u003cstrong data-path-to-node=\"17,3,0\" data-index-in-node=\"0\"\u003eCustom Builds:\u003c\/strong\u003e For trucks with \u003cstrong data-path-to-node=\"17,3,0\" data-index-in-node=\"31\"\u003eLarge Injectors\u003c\/strong\u003e or \u003cstrong data-path-to-node=\"17,3,0\" data-index-in-node=\"50\"\u003eUpgraded Turbos\u003c\/strong\u003e, please contact us for specialized custom tuning additions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"18\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul data-path-to-node=\"19\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,0,0\"\u003e\u003cstrong\u003eWhere can I buy EFILive AutoCal V3?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"19,0,0\"\u003eThis product page is the purchase-ready listing for the EFILive AutoCal V3 Custom Tuning Package.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,1,0\"\u003e\u003cstrong\u003eWhat software is needed for AutoCal V3?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"19,1,0\"\u003eEFILive Scan \u0026amp; Tune V8 is required and is supported on Windows 7–11.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,2,0\"\u003e\u003cstrong\u003eHow do I use EFILive V3 AutoCal?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"19,2,0\"\u003eThe device is used to read, flash, and diagnose your truck after you submit your vehicle information and receive your custom calibration files by email.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,3,0\"\u003e\u003cstrong\u003eIs EFILive a good tuner?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"19,3,0\"\u003eEFILive AutoCal V3 is a trusted handheld tuning solution for custom tuning, diagnostics, and switching between multiple power levels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DieselPerf","offers":[{"title":"GM Duramax LB7 (2001-2004) \/ YES","offer_id":47261929799933,"sku":null,"price":1149.0,"currency_code":"USD","in_stock":true},{"title":"GM Duramax LB7 (2001-2004) \/ NO","offer_id":47261932585213,"sku":null,"price":899.0,"currency_code":"USD","in_stock":true},{"title":"GM Duramax LLY (2004.5-2005) \/ YES","offer_id":47261929832701,"sku":null,"price":1149.0,"currency_code":"USD","in_stock":true},{"title":"GM Duramax LLY (2004.5-2005) \/ NO","offer_id":47261932617981,"sku":null,"price":899.0,"currency_code":"USD","in_stock":true},{"title":"GM Duramax LBZ\/LMM (2006-2010) \/ YES","offer_id":47261929865469,"sku":null,"price":1149.0,"currency_code":"USD","in_stock":true},{"title":"GM Duramax LBZ\/LMM (2006-2010) \/ NO","offer_id":47261932650749,"sku":null,"price":899.0,"currency_code":"USD","in_stock":true},{"title":"GM Duramax LML (2011-2016) \/ YES","offer_id":47261929898237,"sku":null,"price":1249.0,"currency_code":"USD","in_stock":true},{"title":"GM Duramax LML (2011-2016) \/ NO","offer_id":47261932683517,"sku":null,"price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/01.jpg?v=1773155741"},{"product_id":"2001-2007-6-6l-gm-duramax-lb7-lly-lbz-4-downpipe-back-dpf-delete-pipe","title":"2001-2007 6.6L GM Duramax LB7 LLY LBZ 4'' Downpipe-Back DPF Delete Pipe","description":"\u003cp\u003e\u003cspan\u003eUpgrade your \u003cstrong\u003e2001–2007 Chevrolet Silverado or GMC Sierra 2500HD\/3500 equipped with the 6.6L Duramax LB7, LLY, or LBZ\u003c\/strong\u003e engine with this 4-inch downpipe-back exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from T409 stainless steel, the system uses mandrel-bent 4-inch tubing to provide a consistent exhaust path and a deeper diesel exhaust tone. It connects downstream of the factory turbo downpipe and replaces the exhaust system toward the rear of the truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eChoose a straight-through configuration for a louder, more aggressive sound or the muffler-equipped option for more controlled exhaust volume. This system does not fit Cab \u0026amp; Chassis trucks, and some shorter wheelbase configurations may require pipe trimming.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_2026_8_11_14_02_57.png?v=1786428194\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e4-Inch Downpipe-Back Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eConnects downstream of the factory turbo downpipe and replaces the exhaust system toward the rear of the truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLB7, LLY, and LBZ Fitment:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eDesigned for compatible 2001–2007 Chevrolet Silverado and GMC Sierra heavy-duty pickups with the 6.6L Duramax engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePre-DPF Exhaust Application:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe listed LB7, LLY, and LBZ applications were not factory-equipped with a diesel particulate filter. This product is a downpipe-back exhaust system rather than a DPF delete pipe.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eT409 Stainless Steel Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eBuilt for durability under high exhaust temperatures and exposure to demanding road conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMandrel-Bent Tubing:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSmooth bends help maintain a consistent internal pipe diameter through curved exhaust sections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMuffler and Non-Muffler Options:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eChoose between a louder straight-through system and a muffler-equipped configuration with more controlled sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDesigned for Freer Exhaust Flow:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe 4-inch tubing provides a less restrictive exhaust path than many factory configurations. Actual results vary according to vehicle condition and setup.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAvailable Options\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eOption\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eMuffler\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eSound Profile\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e4\" Downpipe-Back\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNo\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLouder and more aggressive\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e4\" Downpipe-Back + Muffler\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDeeper, more controlled volume\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cspan\u003e4\" Downpipe-Back\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe non-muffler configuration provides a louder diesel exhaust note and more noticeable turbo sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e4\" Downpipe-Back + Muffler\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe muffler-equipped configuration helps control overall exhaust volume while retaining a deeper tone than the factory exhaust. It may be more suitable for regular driving, towing, and longer highway trips.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual sound varies depending on engine code, cab style, bed length, original exhaust layout, and other modifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDetail\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDownpipe-back exhaust system\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel Years\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2001–2007\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVehicle Models\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eChevrolet Silverado and GMC Sierra 2500HD\/3500\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6.6L Duramax V8\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Codes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLB7, LLY, and LBZ\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePipe Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 inch\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eT409 stainless steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWall Thickness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 2 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConstruction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMandrel-bent tubing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMuffler\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOption-dependent\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCab \u0026amp; Chassis Fitment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot compatible\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003e2001–2004 LB7 Duramax\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChevrolet Silverado 2500HD\/3500 with 6.6L Duramax LB7\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eGMC Sierra 2500HD\/3500 with 6.6L Duramax LB7\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e2004.5–2005 LLY Duramax\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChevrolet Silverado 2500HD\/3500 with 6.6L Duramax LLY\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eGMC Sierra 2500HD\/3500 with 6.6L Duramax LLY\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e2006–2007 LBZ Duramax\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChevrolet Silverado 2500HD\/3500 with 6.6L Duramax LBZ\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eGMC Sierra 2500HD\/3500 with 6.6L Duramax LBZ\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Fitment Notes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDoes not fit Cab \u0026amp; Chassis models.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eDepending on the selected configuration, the package includes:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e4-inch downpipe-back exhaust pipe sections\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExhaust clamps\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExhaust hangers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMuffler with the option specifically labeled “+ Muffler”\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eSome factory mounting hardware may need to be reused during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAn exhaust tip, sensors, gaskets, bolts, adapters, and other unlisted components are not confirmed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eInstallation Notes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eConfirm your truck’s engine code and original exhaust layout before removing the factory exhaust. This system connects downstream of the factory turbo downpipe and does not replace the turbo downpipe itself.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMinor cutting or trimming may be required for certain short-wheelbase, cab, or bed configurations. Test-fit and align all exhaust sections before cutting or fully tightening the clamps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe available product information does not confirm whether welding is required. Some factory mounting hardware may need to be reused during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstallation time varies depending on vehicle condition, corrosion, exhaust layout, available tools, and installer experience. Professional installation is recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAfter installation, inspect clearance around the frame, suspension, spare tire, fuel lines, brake lines, wiring, and body. Recheck and retighten all exhaust connections after the first complete heat cycle.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs this a DPF delete pipe?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. The listed LB7, LLY, and LBZ applications were not factory-equipped with a DPF. This product is a 4-inch downpipe-back exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this system replace the factory turbo downpipe?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. It connects downstream of the factory turbo downpipe and is not a turbo-back exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWhat is the difference between the two options?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe standard option does not include a muffler and produces a louder exhaust note. The “+ Muffler” option includes a muffler for more controlled sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWhich option is better for regular driving or towing?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe muffler-equipped option may be more suitable for regular driving, towing, and long highway trips because it helps control exhaust volume.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this system remove the catalytic converter?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eIt may replace the factory catalytic-converter section on equipped trucks. Original exhaust layouts can vary, so inspect your truck and confirm the product configuration before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes the package include an exhaust tip?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eAn exhaust tip is not listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWill cutting be required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSome shorter cab, bed, or wheelbase configurations may require trimming an intermediate pipe. Test-fit the system before cutting.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs welding required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe available product information does not confirm whether welding is required. Inspect the supplied connections before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAre clamps and hangers included?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eYes. Exhaust clamps and hangers are listed as included. Exact quantities may vary by configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this system fit Cab \u0026amp; Chassis trucks?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. This system is not compatible with Cab \u0026amp; Chassis applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs additional vehicle calibration required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA DPF-specific calibration is not applicable because these engines were not factory-equipped with a DPF. However, changing or removing emissions-related exhaust components may affect vehicle diagnostics on some applications. Consult a qualified professional before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCompliance Notice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis product may alter or replace factory emissions-related exhaust components. The purchaser and installer are responsible for confirming compliance with all applicable federal, state, and local laws before purchase, installation, or use.\u003c\/span\u003e\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"4\" Downpipe-Back(2001-2007)","offer_id":47384592810237,"sku":"DIPSJ-013","price":435.0,"currency_code":"USD","in_stock":true},{"title":"4\" Downpipe-Back(2001-2007)+Muffler","offer_id":47411444809981,"sku":"DIPSJ-013M","price":535.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/Gemini_Generated_Image_xggfipxggfipxggf.png?v=1791088144"},{"product_id":"2001-2007-6-6l-gm-duramax-lb7-lly-lbz-5-downpipe-back-dpf-delete-pipe","title":"2001-2007 6.6L GM Duramax LB7 LLY LBZ 5'' Downpipe-Back Exhaust","description":"\u003cp\u003e\u003cspan\u003eUpgrade your \u003cstrong\u003e2001–2007 Chevrolet Silverado or GMC Sierra 2500HD\/3500HD\u003c\/strong\u003e with this 5-inch downpipe-back exhaust system for the \u003cstrong\u003e6.6L Duramax LB7, LLY, and LBZ\u003c\/strong\u003e engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from T409 stainless steel, the system uses mandrel-bent 5-inch tubing to create a larger exhaust path and a deeper diesel exhaust tone. It connects downstream of the factory turbo downpipe and is available with or without a muffler.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is a pre-DPF Duramax exhaust system and should not be classified as a DPF delete pipe. It does not fit Cab \u0026amp; Chassis trucks, and some shorter wheelbase configurations may require pipe trimming during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_2026_8_11_14_02_57.png?v=1786428194\" alt=\"CHECK YOUR INLET CONNECTION BEFORE YOU ORDER\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e5-Inch Exhaust Tubing:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eProvides a larger exhaust path and a deeper overall exhaust tone than smaller-diameter systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDownpipe-Back Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eConnects downstream of the factory turbo downpipe and replaces the exhaust system toward the rear of the truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMuffler and Non-Muffler Options:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eChoose the non-muffler configuration for a louder, more aggressive sound or the muffler-equipped version for more controlled volume.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eT409 Stainless Steel Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eDesigned to withstand high exhaust temperatures, road exposure, and demanding diesel truck use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMandrel-Bent Pipe Sections:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSmooth bends help maintain a consistent internal diameter throughout the exhaust path.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHeavy-Duty Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eApproximately 2 mm pipe walls provide added strength and structural durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDesigned for Freer Exhaust Flow:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe larger pipe diameter and smooth bends are designed to reduce restrictive exhaust flow. Actual results vary by vehicle condition and configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAvailable Options\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eOption\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003ePipe Size\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eMuffler\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cspan\u003e5\" Downpipe-Back\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cspan\u003e5 inch\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cspan\u003eNo\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cspan\u003e5\" Downpipe-Back w\/Muffler\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cspan\u003e5 inch\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003eThe non-muffler option produces a louder and more direct exhaust note.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe muffler-equipped option retains the deep 5-inch tone while helping reduce overall volume, making it a more practical choice for daily driving, towing, and longer highway trips.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual sound varies based on cab style, bed length, engine condition, and other vehicle modifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cstrong\u003eDetail\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center;\"\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDownpipe-back exhaust system\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center;\"\u003e\n\u003ctd\u003e\u003cspan\u003eModel Years\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2001–2007\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center;\"\u003e\n\u003ctd\u003e\u003cspan\u003eVehicle Models\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eChevrolet Silverado and GMC Sierra 2500HD\/3500HD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center;\"\u003e\n\u003ctd\u003e\u003cspan\u003eEngine\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6.6L Duramax V8\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center;\"\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Codes\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLB7, LLY and LBZ\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center;\"\u003e\n\u003ctd\u003e\u003cspan\u003ePipe Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 inch\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center;\"\u003e\n\u003ctd\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eT409 stainless steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center;\"\u003e\n\u003ctd\u003e\u003cspan\u003eWall Thickness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 2 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center;\"\u003e\n\u003ctd\u003e\u003cspan\u003eConstruction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMandrel-bent tubing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"text-align: center;\"\u003e\n\u003ctd\u003e\u003cspan\u003eMuffler\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOption-dependent\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cspan\u003eCab \u0026amp; Chassis Fitment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\"\u003e\u003cspan\u003eNot compatible\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eChevrolet Silverado\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2001–2004 Silverado 2500HD\/3500HD with 6.6L Duramax LB7\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2004.5–2005 Silverado 2500HD\/3500HD with 6.6L Duramax LLY\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2006–2007 Silverado 2500HD\/3500HD with 6.6L Duramax LBZ\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eGMC Sierra\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2001–2004 Sierra 2500HD\/3500HD with 6.6L Duramax LB7\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2004.5–2005 Sierra 2500HD\/3500HD with 6.6L Duramax LLY\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2006–2007 Sierra 2500HD\/3500HD with 6.6L Duramax LBZ\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Fitment Notes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDoes not fit Cab \u0026amp; Chassis models.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e5-inch downpipe-back exhaust pipe sections\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExhaust clamps\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExhaust hangers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMuffler with the option specifically labeled “w\/Muffler”\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe number and shape of individual pipe sections may vary by vehicle configuration and selected option.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eInstallation Notes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis system connects downstream of the factory turbo downpipe. It does not replace the turbo downpipe itself.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSome shorter cab, bed, or wheelbase configurations may require cutting or trimming an intermediate pipe. Test-fit and align the complete exhaust system before cutting or fully tightening the clamps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstallation time varies depending on vehicle condition, corrosion, wheelbase, available tools, and installer experience. The product information does not confirm whether welding is required or whether any factory hardware must be reused.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAfter installation, check clearance around the frame, suspension, spare tire, brake lines, wiring, and body. Recheck and retighten all clamps after the first complete exhaust heat cycle.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProfessional installation is recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs this a DPF delete pipe?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. The listed LB7, LLY, and LBZ trucks are pre-DPF Duramax applications. This product is a 5-inch downpipe-back exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this system replace the factory turbo downpipe?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. It connects downstream of the factory turbo downpipe. It is not a turbo-back exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWhat is the difference between the two options?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eBoth options use 5-inch tubing. The standard version does not include a muffler, while the “w\/Muffler” version includes a muffler for more controlled sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWhich option is louder?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe non-muffler version generally produces a louder and more aggressive exhaust note.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes the system include an exhaust tip?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eAn exhaust tip is not listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWill cutting be required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSome shorter cab, bed, or wheelbase configurations may require trimming an intermediate pipe. Test-fit the system before cutting.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs welding required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe supplied product information does not confirm whether welding is required. Review the connection design before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAre clamps and hangers included?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eYes. Exhaust clamps and hangers are listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs a tuner required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA tuner is not automatically required for a conventional downpipe-back exhaust installation. Requirements may depend on the exact factory components being replaced and other vehicle modifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this system fit Cab \u0026amp; Chassis trucks?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. This system is not compatible with Cab \u0026amp; Chassis applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCompliance Notice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis product may alter or replace factory exhaust or emissions-related components. The purchaser and installer are responsible for confirming compliance with all applicable federal, state, and local laws before purchase, installation, or use. \u003c\/span\u003e\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"5\" Downpipe-Back（2001-2007）","offer_id":47384596119805,"sku":"DIPSJ-007","price":569.0,"currency_code":"USD","in_stock":true},{"title":"5\" Downpipe-Back w\/Muffler（2001-2007）","offer_id":47384596152573,"sku":"DIPSJ-007M","price":669.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/DIPSJ-007_1a0c6d8f-30a2-4759-a743-6482e01b74d0.jpg?v=1791087595"},{"product_id":"2011-2015-6-6l-gm-duramax-lml-4-cat-dpf-delete-pipe","title":"2011-2015 6.6L GM Duramax LML 4\" CAT\u0026DPF Delete Pipe","description":"\u003cp\u003e\u003cspan\u003eUpgrade your 2011–early 2015 Chevrolet Silverado or GMC Sierra 2500HD\/3500HD equipped with the 6.6L Duramax LML engine with this 4-inch CAT and DPF replacement pipe.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from T409 stainless steel, this pipe features mandrel-bent tubing and approximately 2 mm wall thickness for durability in high-temperature diesel exhaust applications. It is designed to replace the factory CAT and DPF exhaust section while retaining compatible portions of the existing exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan style=\"color: rgb(255, 42, 0); background-color: rgb(255, 122, 26);\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eThis product requires the earlier V-band-style exhaust connection.\u003c\/span\u003e \u003c\/strong\u003e\u003c\/span\u003eIt does not fit 2015.5–2016 trucks with a 3-bolt flange or Cab \u0026amp; Chassis models. Visually inspect your truck’s connection style before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_2026_8_11_14_02_57.png?v=1786428194\" alt=\"CHECK YOUR INLET CONNECTION BEFORE YOU ORDER\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e4-Inch CAT and DPF Replacement Pipe:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eDesigned to replace the specified factory CAT and DPF exhaust section without replacing the complete exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eV-Band-Style Connection:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eEngineered for compatible 2011–early 2015 LML Duramax pickups equipped with the earlier V-band exhaust connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eT409 Stainless Steel Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eProvides durability under high exhaust temperatures and exposure to demanding road conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMandrel-Bent Tubing:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSmooth bends help maintain a consistent internal pipe diameter through curved sections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHeavy-Duty Pipe Walls:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eApproximately 2 mm wall thickness provides added strength and structural durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDirect Exhaust Path:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eDesigned to reduce restrictive exhaust flow through the replacement section. Actual results vary by vehicle condition and configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLML-Specific Fitment:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eDesigned for compatible Chevrolet Silverado and GMC Sierra HD pickups equipped with the 6.6L Duramax LML engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetail\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCAT and DPF replacement pipe\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel Years\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2011–early 2015\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVehicle Models\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eChevrolet Silverado and GMC Sierra 2500HD\/3500HD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6.6L Duramax V8\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Code\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLML\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePipe Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 inch\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eT409 stainless steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWall Thickness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 2 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConstruction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMandrel-bent tubing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConnection Style\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eV-band style\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCab \u0026amp; Chassis Fitment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot compatible\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eChevrolet Silverado\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2011 Silverado 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2012 Silverado 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2013 Silverado 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2014 Silverado 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEarly 2015 Silverado 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eGMC Sierra\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2011 Sierra 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2012 Sierra 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2013 Sierra 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2014 Sierra 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEarly 2015 Sierra 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Fitment Notes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eRequires the earlier V-band-style exhaust connection.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDoes not fit Cab \u0026amp; Chassis models.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e4-inch CAT and DPF replacement pipe sections\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExhaust clamps\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExhaust hangers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eSome factory mounting hardware may need to be reused during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA muffler, exhaust tip, sensors, electronic components, gaskets, bolts, and other unlisted parts are not confirmed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eInstallation Notes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eConfirm that your truck uses the earlier V-band-style exhaust connection before removing the factory exhaust components. This pipe will not connect directly to the later 3-bolt-flange system used on 2015.5–2016 trucks.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMinor cutting or trimming may be required for certain short-wheelbase, cab, or bed configurations. Test-fit and align all pipe sections before cutting or fully tightening the clamps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe available product information does not confirm whether welding is required or which factory hardware must be reused.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstallation time varies depending on vehicle condition, corrosion, configuration, available tools, and installer experience. Professional installation is recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAfter installation, inspect clearance around the frame, suspension, spare tire, fuel lines, brake lines, wiring, and body. Recheck and retighten all exhaust connections after the first complete heat cycle.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs this a complete downpipe-back exhaust system?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. This product is a shorter 4-inch CAT and DPF replacement pipe that retains compatible portions of the existing exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this pipe replace the factory turbo downpipe?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. It does not replace the turbo downpipe and is not a turbo-back exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHow do I know whether it fits my 2015 truck?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eInspect the exhaust connection before ordering. This product requires the earlier V-band-style connection and does not fit trucks equipped with the later 3-bolt flange.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes it fit 2015.5–2016 LML trucks?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. Those trucks use a different 3-bolt connection and require the corresponding late-model pipe.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this product include a muffler?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA muffler is not listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes it include an exhaust tip?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eAn exhaust tip is not listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWill cutting be required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSome shorter cab, bed, or wheelbase configurations may require pipe trimming. Test-fit all components before cutting.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs welding required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe available product information does not confirm whether welding is required. Review the physical connections before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAre clamps and hangers included?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eYes. Exhaust clamps and hangers are listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this product fit Cab \u0026amp; Chassis trucks?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. This product is not compatible with Cab \u0026amp; Chassis applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWill additional vehicle calibration be required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eReplacing factory emissions-related exhaust components may affect vehicle operation and diagnostics. Consult a qualified professional to confirm compatibility, installation requirements, and applicable legal restrictions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCompliance Notice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis product alters or replaces factory emissions-related exhaust components. The purchaser and installer are responsible for confirming compliance with all applicable federal, state, and local laws before purchase, installation, or use. \u003c\/span\u003e\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"4\"Cat\u0026DPF Delete Pipe(2011-2015)","offer_id":47384598413565,"sku":"DIPSJ-024","price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/Gemini_Generated_Image_6va2vx6va2vx6va2.png?v=1791088617"},{"product_id":"2011-2015-6-6l-gm-duramax-lml-4-downpipe-back-dpf-delete-exhaust-system","title":"2011-2015 6.6L GM Duramax LML 4\" Downpipe-Back DPF Delete Pipe","description":"\u003cp\u003e\u003cspan\u003eUpgrade your \u003cstrong\u003e2011–early 2015 Chevrolet Silverado or GMC Sierra 2500HD\/3500HD equipped with the 6.6L Duramax LML\u003c\/strong\u003e engine with this 4-inch downpipe-back DPF delete exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from T409 stainless steel, the system uses mandrel-bent 4-inch tubing to create a consistent exhaust path and a deeper diesel exhaust tone. It connects downstream of the factory turbo downpipe and replaces the emissions-related exhaust section toward the rear of the truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan style=\"color: rgb(255, 255, 255); background-color: rgb(255, 122, 26);\"\u003e\u003cstrong\u003eThis system is designed for trucks equipped with the earlier V-band-style exhaust connection.\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003eIt does not fit 2015.5–2016 trucks with a 3-bolt flange or Cab \u0026amp; Chassis models. \u003c\/strong\u003eSome shorter cab, bed, or wheelbase configurations may require pipe trimming during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_2026_8_11_14_02_57.png?v=1786428194\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e4-Inch Downpipe-Back Configuration:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eConnects downstream of the factory turbo downpipe and replaces the exhaust system toward the rear of the truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eV-Band-Style Connection:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eDesigned for compatible 2011–early 2015 LML Duramax pickups equipped with the earlier V-band exhaust connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eT409 Stainless Steel Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eBuilt for durability under high exhaust temperatures and regular exposure to demanding road conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMandrel-Bent Tubing:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSmooth bends help maintain a consistent internal pipe diameter through curved exhaust sections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHeavy-Duty Pipe Walls:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eApproximately 2 mm wall thickness provides added strength and structural durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDesigned for Freer Exhaust Flow:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe 4-inch tubing is designed to reduce restrictive exhaust flow. Actual results vary according to vehicle condition, configuration, and other modifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDeeper Duramax Exhaust Tone:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eProduces a deeper and more aggressive exhaust note than the factory system. Final sound varies by cab style, bed length, and vehicle setup.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetail\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDownpipe-back DPF delete exhaust system\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel Years\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2011–early 2015\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVehicle Models\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eChevrolet Silverado and GMC Sierra 2500HD\/3500HD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6.6L Duramax V8\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Code\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLML\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePipe Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 inch\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eT409 stainless steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWall Thickness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 2 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConstruction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMandrel-bent tubing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFront Connection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eV-band style\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCab \u0026amp; Chassis Fitment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot compatible\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eChevrolet Silverado\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2011 Silverado 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2012 Silverado 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2013 Silverado 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2014 Silverado 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEarly 2015 Silverado 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eGMC Sierra\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2011 Sierra 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2012 Sierra 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2013 Sierra 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2014 Sierra 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEarly 2015 Sierra 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Fitment Notes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThe truck must have the earlier V-band-style exhaust connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDoes not fit 2015.5–2016 trucks equipped with a 3-bolt flange.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDoes not fit Cab \u0026amp; Chassis models.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e4-inch downpipe-back exhaust pipe sections\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExhaust clamps\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExhaust hangers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eSome factory mounting hardware may need to be reused during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA muffler, exhaust tip, sensors, electronic components, flange gasket, bolts, and other unlisted components are not confirmed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eInstallation Notes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eConfirm that your truck uses the earlier V-band-style exhaust connection before removing the factory exhaust. This system will not connect directly to the later 3-bolt-flange configuration used on 2015.5–2016 trucks.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMinor cutting or trimming may be required for certain short-wheelbase, cab, or bed configurations. Test-fit and align all exhaust sections before cutting or fully tightening the clamps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe available product information does not confirm whether welding is required. Some factory hardware may need to be reused during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstallation time varies depending on vehicle condition, corrosion, cab and bed configuration, available tools, and installer experience. Professional installation is recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAfter installation, inspect clearance around the frame, suspension, spare tire, fuel lines, brake lines, wiring, and body. Recheck and retighten all exhaust connections after the first complete heat cycle.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs this a short DPF replacement pipe or a complete exhaust system?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThis product is a complete 4-inch downpipe-back exhaust system. It includes multiple exhaust sections extending from the factory downpipe connection toward the rear of the truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this system replace the factory turbo downpipe?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. It connects downstream of the factory turbo downpipe and is not a turbo-back exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHow do I know whether it fits my 2015 truck?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eInspect the front exhaust connection. This system requires the earlier V-band-style connection and does not fit later trucks equipped with a 3-bolt flange.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes it fit 2015.5–2016 LML trucks?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. Those trucks use a different 3-bolt connection and require the corresponding late-model exhaust configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this system include a muffler?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA muffler is not listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes the package include an exhaust tip?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eAn exhaust tip is not listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWill cutting be required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSome shorter cab, bed, or wheelbase configurations may require trimming an intermediate pipe. Test-fit the complete system before cutting.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs welding required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe available product information does not confirm whether welding is required. Review the physical pipe connections before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAre clamps and hangers included?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eYes. Exhaust clamps and hangers are listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this system fit Cab \u0026amp; Chassis trucks?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. This system is not compatible with Cab \u0026amp; Chassis applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWill additional vehicle calibration be required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eReplacing factory emissions-related exhaust components may affect vehicle operation and diagnostics. Consult a qualified professional to confirm vehicle compatibility, installation requirements, and applicable legal restrictions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCompliance Notice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis product alters or replaces factory emissions-related exhaust components. The purchaser and installer are responsible for confirming compliance with all applicable federal, state, and local laws before purchase, installation, or use.\u003c\/span\u003e\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"4\" Downpipe-Back(2011-2015)","offer_id":47384600314109,"sku":"DIPSJ-041","price":498.0,"currency_code":"USD","in_stock":true},{"title":"4\" Downpipe-Back w\/Muffler(2011-2015)","offer_id":71444250427645,"sku":"DIPSJ-041M","price":598.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/Gemini_Generated_Image_chr5j8chr5j8chr5.png?v=1791089419"},{"product_id":"2011-2015-6-6l-gm-duramax-lml-5-downpipe-back-dpf-delete-exhaust-system","title":"2011-2015 6.6L GM Duramax LML 5\" Downpipe-Back DPF Delete Pipe","description":"\u003cp\u003e\u003cspan\u003eUpgrade your \u003cstrong\u003e2011–early 2015 Chevrolet Silverado or GMC Sierra 2500HD\/3500HD equipped with the 6.6L Duramax LML\u003c\/strong\u003e engine with this 5-inch downpipe-back CAT and DPF delete exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from T409 stainless steel, this system uses mandrel-bent 5-inch tubing to create a larger exhaust path and a deeper diesel exhaust tone. It connects downstream of the factory turbo downpipe and replaces the factory exhaust toward the rear of the truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan style=\"color: rgb(255, 255, 255); background-color: rgb(255, 122, 26);\"\u003e\u003cstrong\u003eThis system is designed for trucks equipped with the earlier V-band-style exhaust connection. It does not fit 2015.5–2016 trucks with a 3-bolt flange or Cab \u0026amp; Chassis models.\u003c\/strong\u003e\u003c\/span\u003e Some shorter cab, bed, or wheelbase configurations may require pipe trimming during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_2026_8_11_14_02_57.png?v=1786428194\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e5-Inch Exhaust Path:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eUses 5-inch tubing to provide a larger exhaust route and a deep, aggressive Duramax exhaust tone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDownpipe-Back Configuration:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eConnects downstream of the factory turbo downpipe and replaces the exhaust system toward the rear of the truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eV-Band-Style Fitment:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eDesigned for compatible 2011–early 2015 LML Duramax pickups equipped with the earlier V-band exhaust connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eT409 Stainless Steel Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eBuilt for durability under high exhaust temperatures and exposure to demanding road conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMandrel-Bent Tubing:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSmooth bends help maintain a consistent internal pipe diameter throughout the exhaust path.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHeavy-Duty Pipe Walls:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eApproximately 2 mm wall thickness provides added strength and structural durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDesigned for Freer Exhaust Flow:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe larger pipe diameter and direct exhaust route are designed to reduce restrictive exhaust flow. Actual results vary by vehicle condition and configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetail\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDownpipe-back CAT and DPF delete exhaust system\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel Years\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2011–early 2015\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVehicle Models\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eChevrolet Silverado and GMC Sierra 2500HD\/3500HD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6.6L Duramax V8\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Code\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLML\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePipe Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 inch\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eT409 stainless steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWall Thickness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 2 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConstruction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMandrel-bent tubing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFront Connection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eV-band style\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCab \u0026amp; Chassis Fitment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot compatible\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eChevrolet Silverado\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2011 Silverado 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2012 Silverado 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2013 Silverado 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2014 Silverado 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEarly 2015 Silverado 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eGMC Sierra\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2011 Sierra 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2012 Sierra 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2013 Sierra 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2014 Sierra 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eEarly 2015 Sierra 2500HD\/3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Fitment Notes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThe truck must have the earlier V-band-style exhaust connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDoes not fit 2015.5–2016 trucks equipped with a 3-bolt flange.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDoes not fit Cab \u0026amp; Chassis models.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e5-inch downpipe-back exhaust pipe sections\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExhaust clamps\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExhaust hangers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe number and shape of individual pipe sections may vary based on the vehicle configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA muffler, exhaust tip, sensors, electronic components, and complete fastener quantities are not listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eInstallation Notes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eConfirm that your truck uses the V-band-style exhaust connection before removing the factory exhaust. This system is not compatible with the later 3-bolt-flange configuration used on 2015.5–2016 trucks.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMinor cutting or trimming may be required for certain short-wheelbase, cab, or bed configurations. Test-fit and align all exhaust sections before cutting or fully tightening the clamps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe supplied product information does not confirm whether welding is required or whether factory gaskets, bolts, clamps, or mounting hardware must be reused.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstallation time varies depending on corrosion, vehicle condition, wheelbase, available tools, and installer experience. Professional installation is recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAfter installation, inspect clearance around the frame, suspension, spare tire, fuel lines, brake lines, wiring, and body. Recheck and retighten all clamps after the first complete exhaust heat cycle.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs this a DPF delete pipe or a complete exhaust system?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThis product is a 5-inch downpipe-back CAT and DPF delete exhaust system. It includes multiple exhaust sections extending from the factory downpipe connection toward the rear of the truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this system replace the factory turbo downpipe?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. It connects downstream of the factory turbo downpipe. It is not a turbo-back exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHow do I know whether it fits my 2015 truck?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eInspect the front exhaust connection. This system requires the earlier V-band-style connection and does not fit 2015.5–2016 trucks equipped with a 3-bolt flange.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this system include a muffler?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA muffler is not listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes it include an exhaust tip?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eAn exhaust tip is not listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWill cutting be required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSome shorter cab, bed, or wheelbase configurations may require trimming an intermediate pipe. Test-fit the complete system before cutting.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs welding required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe supplied product information does not confirm whether welding is required. Review the physical connection design before beginning installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAre clamps and hangers included?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eYes. Exhaust clamps and hangers are listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this system fit Cab \u0026amp; Chassis trucks?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. This system is not compatible with Cab \u0026amp; Chassis applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWill additional vehicle calibration be required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eReplacing factory emissions-related exhaust components may affect vehicle operation and diagnostics. Consult a qualified professional to confirm vehicle compatibility, installation requirements, and applicable legal restrictions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCompliance Notice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis product alters or replaces factory emissions-related exhaust components. The purchaser and installer are responsible for confirming compliance with all applicable federal, state, and local laws before purchase, installation, or use. \u003c\/span\u003e\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"5\" Downpipe-Back(2011-2015)","offer_id":47384610308349,"sku":"DIPSJ-027","price":499.0,"currency_code":"USD","in_stock":true},{"title":"5\" Downpipe-Back w\/Muffler(2011-2015)","offer_id":71444275527933,"sku":"DIPSJ-027M","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/DIPSJ-027.png?v=1791089421"},{"product_id":"2015-5-2016-6-6l-gm-duramax-lml-4-cat-dpf-delete-pipe","title":"2015.5-2016 6.6L GM Duramax LML 4\" CAT\u0026DPF Delete Pipe","description":"\u003cp\u003e\u003cspan\u003eUpgrade your late-model LML Duramax with this 4-inch CAT and DPF replacement pipe for compatible \u003cstrong\u003e2015.5–2016 Chevrolet Silverado and GMC Sierra 2500HD\/3500HD pickups equipped with the 6.6L Duramax LML engine.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from T409 stainless steel, this pipe features mandrel-bent tubing and approximately 2 mm wall thickness for durability in high-temperature diesel exhaust applications. It is designed to replace the factory CAT and DPF exhaust section while retaining compatible portions of the existing exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003e\u003cstrong\u003e\u003cspan style=\"background-color: rgb(255, 122, 26);\"\u003eThis product requires the late-style 3-bolt exhaust connection. It does not fit earlier 2011–2015 trucks with a V-band connection or Cab \u0026amp; Chassis models. Visually confirm your truck’s connection style before ordering.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_2026_8_11_14_02_57.png?v=1786428194\" alt=\"CHECK YOUR INLET CONNECTION BEFORE YOU ORDER\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e4-Inch CAT and DPF Replacement Pipe:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eDesigned to replace the specified factory CAT and DPF exhaust section without replacing the complete exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLate-Style 3-Bolt Connection:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eEngineered for compatible 2015.5–2016 LML Duramax pickups equipped with the 3-bolt exhaust flange.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eT409 Stainless Steel Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eProvides durability under high exhaust temperatures and regular exposure to demanding road conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMandrel-Bent Tubing:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSmooth bends help maintain a consistent internal pipe diameter through curved sections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHeavy-Duty Pipe Walls:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eApproximately 2 mm wall thickness provides added strength and structural durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDirect Exhaust Path:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eDesigned to reduce restrictive exhaust flow through the replacement section. Actual results vary based on vehicle condition and configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLML-Specific Fitment:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eDesigned for compatible Chevrolet Silverado and GMC Sierra HD pickups equipped with the 6.6L Duramax LML engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetail\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCAT and DPF replacement pipe\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel Years\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2015.5–2016\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVehicle Models\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eChevrolet Silverado and GMC Sierra 2500HD\/3500HD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6.6L Duramax V8\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Code\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLML\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePipe Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 inch\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eT409 stainless steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWall Thickness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 2 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConstruction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMandrel-bent tubing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConnection Style\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3-bolt flange\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCab \u0026amp; Chassis Fitment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot compatible\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eChevrolet Silverado\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLate 2015 Silverado 2500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLate 2015 Silverado 3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2016 Silverado 2500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2016 Silverado 3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eGMC Sierra\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLate 2015 Sierra 2500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLate 2015 Sierra 3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2016 Sierra 2500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2016 Sierra 3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Fitment Notes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eRequires the late-style 3-bolt exhaust connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDoes not fit earlier 2011–2015 trucks with a V-band connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDoes not fit Cab \u0026amp; Chassis models.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e4-inch CAT and DPF replacement pipe sections\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExhaust clamps\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExhaust hangers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eSome factory mounting hardware may need to be reused during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA muffler, exhaust tip, sensors, electronic components, flange gasket, bolts, and other components not listed above are not confirmed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eInstallation Notes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eConfirm that your truck uses the late-style 3-bolt exhaust connection before removing the factory exhaust components. This pipe will not connect directly to the earlier V-band-style exhaust configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMinor cutting or trimming may be required for certain short-wheelbase, cab, or bed combinations. Test-fit and align all pipe sections before cutting or fully tightening the clamps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe available product information does not confirm whether welding is required. Some factory hardware may need to be reused during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstallation time varies depending on vehicle condition, corrosion, cab and bed configuration, available tools, and installer experience. Professional installation is recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAfter installation, inspect clearance around the frame, suspension, spare tire, fuel lines, brake lines, wiring, and body. Recheck and retighten all exhaust connections after the first complete heat cycle.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs this a complete downpipe-back exhaust system?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. This product is a shorter 4-inch CAT and DPF replacement pipe that retains compatible portions of the existing exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this pipe replace the factory turbo downpipe?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. It does not replace the factory turbo downpipe and is not a turbo-back exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHow do I know whether it fits my 2015 truck?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eInspect the exhaust connection before ordering. This product requires the late-style 3-bolt flange and does not fit trucks equipped with the earlier V-band connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes it fit every 2015 Duramax truck?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. It is intended for late-production 2015.5 trucks with the 3-bolt connection. Earlier 2015 trucks require a different configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this product include a muffler?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA muffler is not listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes it include an exhaust tip?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eAn exhaust tip is not listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWill cutting be required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSome shorter cab, bed, or wheelbase configurations may require pipe trimming. Test-fit all components before cutting.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs welding required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe available product information does not confirm whether welding is required. Review the physical connections before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAre clamps and hangers included?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eYes. Exhaust clamps and hangers are listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this product fit Cab \u0026amp; Chassis trucks?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. This product is not compatible with Cab \u0026amp; Chassis applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWill additional vehicle calibration be required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eReplacing factory emissions-related exhaust components may affect vehicle operation and diagnostics. Consult a qualified professional to confirm compatibility, installation requirements, and applicable legal restrictions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCompliance Notice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis product alters or replaces factory emissions-related exhaust components. The purchaser and installer are responsible for confirming compliance with all applicable federal, state, and local laws before purchase, installation, or use. \u003c\/span\u003e\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"4\"Cat\u0026DPF Delete Pipe(2015.5-2016)","offer_id":47384643797245,"sku":"DIPSJ-025","price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/Gemini_Generated_Image_ldpl1eldpl1eldpl.png?v=1791089046"},{"product_id":"2015-5-2016-6-6l-gm-duramax-lml-4-downpipe-back-dpf-delete-exhaust-system","title":"2015.5-2016 6.6L GM Duramax LML 4\" Downpipe-Back DPF Delete Pipe","description":"\u003cp\u003e\u003cspan\u003eUpgrade your late-model LML Duramax with this 4-inch downpipe-back DPF delete exhaust system for compatible \u003cstrong\u003e2015.5–2016 Chevrolet Silverado and GMC Sierra 2500HD\/3500HD pickups equipped with the 6.6L Duramax LML engine\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from T409 stainless steel, this system uses mandrel-bent 4-inch tubing to provide a consistent exhaust path and a deeper diesel exhaust tone. \u003cspan style=\"color: rgb(0, 0, 0);\"\u003eIt connects downstream of the factory turbo downpipe using the late-style \u003cspan style=\"color: rgb(255, 255, 255); background-color: rgb(255, 122, 26);\"\u003e\u003cstrong\u003e3-bolt flange\u003c\/strong\u003e\u003c\/span\u003e and replaces the exhaust system toward the rear of the truck.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eThis system does not fit earlier 2011–2015 V-band applications or Cab \u0026amp; Chassis models.\u003c\/strong\u003e Some shorter cab, bed, or wheelbase configurations may require pipe trimming during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_2026_8_11_14_02_57.png?v=1786428194\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e4-Inch Downpipe-Back Configuration:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eConnects downstream of the factory turbo downpipe and replaces the exhaust system toward the rear of the truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLate-Style 3-Bolt Connection:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eDesigned for compatible 2015.5–2016 LML Duramax pickups equipped with the factory-style 3-bolt exhaust flange.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eT409 Stainless Steel Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eBuilt for durability under high exhaust temperatures and exposure to demanding road conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMandrel-Bent Tubing:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSmooth bends help maintain a consistent internal pipe diameter through curved exhaust sections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHeavy-Duty Pipe Walls:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eApproximately 2 mm wall thickness provides added strength and structural durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDesigned for Freer Exhaust Flow:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe 4-inch tubing is designed to reduce restrictive exhaust flow. Actual results vary depending on vehicle condition, configuration, and other modifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDeeper Duramax Exhaust Tone:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eProduces a deeper and more aggressive exhaust note than the factory system. Final sound varies by cab style, bed length, and vehicle configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetail\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDownpipe-back DPF delete exhaust system\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel Years\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2015.5–2016\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVehicle Models\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eChevrolet Silverado and GMC Sierra 2500HD\/3500HD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6.6L Duramax V8\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Code\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLML\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePipe Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 inch\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eT409 stainless steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWall Thickness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 2 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConstruction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMandrel-bent tubing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eFront Connection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFactory-style 3-bolt flange\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCab \u0026amp; Chassis Fitment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot compatible\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eChevrolet Silverado\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLate 2015 Silverado 2500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLate 2015 Silverado 3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2016 Silverado 2500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2016 Silverado 3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eGMC Sierra\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLate 2015 Sierra 2500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLate 2015 Sierra 3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2016 Sierra 2500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2016 Sierra 3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Fitment Notes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThe truck must have the late-style 3-bolt exhaust flange.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDoes not fit earlier 2011–2015 trucks with a V-band-style connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDoes not fit Cab \u0026amp; Chassis models.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e4-inch downpipe-back exhaust pipe sections\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExhaust clamps\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExhaust hangers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eSome factory mounting hardware may need to be reused during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA muffler, exhaust tip, sensors, electronic components, flange gasket, bolts, and other unlisted components are not confirmed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eInstallation Notes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eConfirm that your truck uses the factory-style 3-bolt exhaust connection before removing the original exhaust system. This product will not connect directly to the earlier V-band-style configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMinor cutting or trimming may be required for certain short-wheelbase, cab, or bed combinations. Test-fit and align all pipe sections before cutting or fully tightening the clamps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe available product information does not confirm whether welding is required. Some factory hardware may need to be reused during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstallation time varies depending on vehicle condition, corrosion, cab and bed configuration, available tools, and installer experience. Professional installation is recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAfter installation, inspect clearance around the frame, suspension, spare tire, fuel lines, brake lines, wiring, and body. Recheck and retighten all exhaust connections after the first complete heat cycle.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs this a short DPF replacement pipe or a complete exhaust system?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThis product is a 4-inch downpipe-back exhaust system. It includes multiple exhaust sections extending from the factory downpipe connection toward the rear of the truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this system replace the factory turbo downpipe?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. It connects downstream of the factory turbo downpipe and is not a turbo-back exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHow do I know whether it fits my 2015 truck?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eInspect the connection downstream of the turbo direct pipe. This system requires the late-style 3-bolt flange and does not fit earlier trucks with a V-band connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this system include a muffler?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA muffler is not listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes the package include an exhaust tip?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eAn exhaust tip is not listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWill cutting be required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSome shorter cab, bed, or wheelbase configurations may require trimming an intermediate pipe. Test-fit the complete system before cutting.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs welding required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe available product information does not confirm whether welding is required. Review the physical connections before beginning installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAre clamps and hangers included?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eYes. Exhaust clamps and hangers are listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this system fit Cab \u0026amp; Chassis trucks?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. This system is not compatible with Cab \u0026amp; Chassis applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWill additional vehicle calibration be required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eReplacing factory emissions-related exhaust components may affect vehicle operation and diagnostics. Consult a qualified professional to confirm vehicle compatibility, installation requirements, and applicable legal restrictions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCompliance Notice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis product alters or replaces factory emissions-related exhaust components. The purchaser and installer are responsible for confirming compliance with all applicable federal, state, and local laws before purchase, installation, or use.\u003c\/span\u003e\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"4\" Downpipe-Back(2015.5-2016)","offer_id":47384646123773,"sku":"DIPSJ-039","price":499.0,"currency_code":"USD","in_stock":true},{"title":"4\" Downpipe-Back w\/Muffler(2015.5-2016)","offer_id":71444281164029,"sku":"DIPSJ-039M","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/DIPSJ-020_66a4c78f-29ac-4430-a440-70189e986eb6.jpg?v=1791088398"},{"product_id":"2015-5-2016-6-6l-gm-duramax-lml-5-downpipe-back-dpf-delete-exhaust-system","title":"2015.5-2016 6.6L GM Duramax LML 5\" Downpipe-Back DPF Delete Pipe","description":"\u003cp\u003e\u003cspan\u003eUpgrade your late-model LML Duramax with this 5-inch downpipe-back DPF delete exhaust system, designed for compatible \u003cstrong\u003e2015.5–2016 Chevrolet Silverado and GMC Sierra 2500HD\/3500HD pickups equipped with the 6.6L Duramax LML engine.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from T409 stainless steel, this system uses mandrel-bent 5-inch tubing to provide a larger, more direct exhaust path and a deeper diesel exhaust tone. It connects downstream of the factory turbo downpipe using the late-style\u003cstrong\u003e 3-bolt flange.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan style=\"background-color: rgb(255, 122, 26);\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 255, 255);\"\u003eThis system is designed specifically for 2015.5–2016 trucks with the 3-bolt exhaust connection. It does not fit earlier V-band applications or Cab \u0026amp; Chassis models.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e Some cab, bed, and wheelbase configurations may require pipe trimming during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_2026_8_11_14_02_57.png?v=1786428194\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e5-Inch Downpipe-Back Configuration:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eReplaces the exhaust system downstream of the factory turbo downpipe while retaining the original downpipe.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eLate-Style 3-Bolt Connection:\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDesigned for compatible 2015.5–2016 LML Duramax trucks equipped with a 3-bolt exhaust flange.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eT409 Stainless Steel Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eManufactured from heat-resistant T409 stainless steel for durability in demanding diesel exhaust applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMandrel-Bent Tubing:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSmooth bends help maintain a consistent internal pipe diameter throughout the exhaust path.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHeavy-Duty Pipe Walls:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eApproximately 2 mm wall thickness provides added strength and structural durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLarger Exhaust Path:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe 5-inch tubing is designed to reduce restrictive exhaust flow and support improved exhaust evacuation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDeeper Duramax Exhaust Tone:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eProduces a deeper and more aggressive exhaust note than the factory system. Actual sound varies by truck configuration and other modifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetail\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDownpipe-back DPF delete exhaust system\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel Years\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2015.5–2016\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVehicle Models\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eChevrolet Silverado and GMC Sierra 2500HD\/3500HD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6.6L Duramax V8\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Code\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLML\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePipe Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 inch\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eT409 stainless steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWall Thickness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 2 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConstruction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMandrel-bent tubing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFront Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003e3-bolt flange\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCab \u0026amp; Chassis Fitment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot compatible\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eChevrolet Silverado\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2015.5 Silverado 2500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2015.5 Silverado 3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2016 Silverado 2500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2016 Silverado 3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eGMC Sierra\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2015.5 Sierra 2500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2015.5 Sierra 3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2016 Sierra 2500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2016 Sierra 3500HD with 6.6L Duramax LML\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Fitment Notes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eThe truck must have the late-style 3-bolt exhaust flange.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDoes not fit earlier 2011–2015 trucks with a V-band connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDoes not fit Cab \u0026amp; Chassis models.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e5-inch downpipe-back exhaust pipe sections\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExhaust clamps\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExhaust hangers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe shape and number of individual pipe sections may vary based on the vehicle configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eInstallation Notes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eConfirm that your truck has a 3-bolt flange before removing the original exhaust system. This product will not connect to the earlier V-band-style exhaust configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMinor cutting or trimming may be required for certain cab, bed, and wheelbase combinations. Test-fit and align all sections before cutting or permanently tightening the clamps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstallation time varies based on vehicle condition, corrosion, wheelbase, available tools, and installer experience. The supplied product information does not confirm whether welding is required or whether any factory hardware must be reused.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAfter installation, check exhaust clearance around the frame, suspension, spare tire, wiring, brake lines, and body. Recheck and retighten all clamps after the first complete heat cycle.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eProfessional installation is recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs this a DPF delete pipe or a complete exhaust system?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThis product is a 5-inch downpipe-back DPF delete exhaust system. It includes exhaust pipe sections that extend from the factory downpipe connection toward the rear of the truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes it replace the factory turbo downpipe?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. This system connects downstream of the factory turbo downpipe. It is not a turbo-back exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHow do I know whether it fits my 2015 truck?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eInspect the connection between the factory downpipe and exhaust system. This kit requires a 3-bolt flange and will not fit the earlier V-band connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this system fit every 2015 Duramax?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. It is intended for late-production 2015.5 trucks with the 3-bolt flange. Early 2015 trucks using a V-band connection require a different system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWill cutting be required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSome cab, bed, and wheelbase configurations may require trimming an intermediate pipe. Always test-fit the complete system before cutting.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs welding required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe supplied information does not confirm whether welding is required. Review the product connections and installation instructions before beginning installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAre clamps and hangers included?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eYes. The supplied product information states that exhaust clamps and hangers are included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes it fit Cab \u0026amp; Chassis trucks?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. This system is not designed for Cab \u0026amp; Chassis applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWill additional vehicle calibration be required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eReplacing factory emissions-related exhaust components may affect vehicle operation and diagnostics. Consult a qualified professional to confirm vehicle compatibility, installation requirements, and applicable legal restrictions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCompliance Notice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis product alters or replaces factory emissions-related exhaust components. The purchaser and installer are responsible for confirming compliance with all applicable federal, state, and local laws before purchase, installation, or use. \u003c\/span\u003e\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"5\" Downpipe-Back(2015.5-2016)","offer_id":47384648286461,"sku":"DIPSJ-020","price":559.0,"currency_code":"USD","in_stock":true},{"title":"5\" Downpipe-Back w\/Muffler(2015.5-2016)","offer_id":71444284735741,"sku":"DIPSJ-020M","price":659.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/c280d7c151db856286d6d26233bcb534.png?v=1791089071"},{"product_id":"2017-2025-6-6l-gm-duramax-l5p-4-cat-dpf-delete-pipe","title":"2017-2025 6.6L GM Duramax L5P 4\" CAT\u0026DPF Delete Pipe","description":"\u003cp\u003e\u003cspan\u003eUpgrade your 2\u003cstrong\u003e017–2025 Chevrolet Silverado or GMC Sierra 2500HD\/3500HD equipped with the 6.6L Duramax L5P engine\u003c\/strong\u003e with this 4-inch CAT and DPF replacement pipe.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from T409 stainless steel, this pipe uses mandrel-bent tubing to create a smooth, consistent exhaust path. It is designed to replace the factory CAT and DPF exhaust section while retaining compatible portions of the existing exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product is a replacement pipe rather than a complete downpipe-back or turbo-back exhaust system. \u003cspan style=\"color: rgb(255, 255, 255); background-color: rgb(255, 122, 26);\"\u003e\u003cstrong\u003eIt does not fit Cab \u0026amp; Chassis models. For 2020–2025 trucks, confirm the required factory-style 4-bolt exhaust connection before ordering.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_2026_8_11_14_02_57.png?v=1786428194\" alt=\"\"\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCAT and DPF Replacement Configuration:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eDesigned to replace the factory CAT and DPF exhaust section while retaining compatible portions of the existing exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e4-Inch Pipe Diameter:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eUses 4-inch tubing to provide a direct exhaust path and a deeper exhaust tone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eT409 Stainless Steel Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eBuilt for durability under high exhaust temperatures and exposure to demanding road conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMandrel-Bent Tubing:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSmooth bends help maintain a consistent internal pipe diameter through curved sections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHeavy-Duty Pipe Walls:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eApproximately 2 mm wall thickness provides added strength and structural durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eL5P-Specific Fitment:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eDesigned for compatible Chevrolet Silverado and GMC Sierra HD pickups equipped with the 6.6L Duramax L5P engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eInstallation Hardware Included:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe supplied product information states that exhaust clamps and hangers are included.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetail\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCAT and DPF replacement pipe\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel Years\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2017–2025\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVehicle Models\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eChevrolet Silverado and GMC Sierra 2500HD\/3500HD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6.6L Duramax V8\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Code\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eL5P\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePipe Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 inch\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eT409 stainless steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWall Thickness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 2 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConstruction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMandrel-bent tubing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e2020–2025 Connection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eFactory-style 4-bolt flange required\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCab \u0026amp; Chassis Fitment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot compatible\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eChevrolet Silverado\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2017–2019 Silverado 2500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2017–2019 Silverado 3500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2020–2025 Silverado 2500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2020–2025 Silverado 3500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eGMC Sierra\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2017–2019 Sierra 2500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2017–2019 Sierra 3500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2020–2025 Sierra 2500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e2020–2025 Sierra 3500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Fitment Notes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDoes not fit Cab \u0026amp; Chassis models.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFor 2020–2025 trucks, confirm the factory-style 4-bolt exhaust connection before ordering.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e4-inch CAT and DPF replacement pipe sections\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExhaust clamps\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExhaust hangers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eSome factory mounting hardware may need to be reused.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA muffler, exhaust tip, sensors, electronic components, flange gasket, bolts, and other unlisted components are not confirmed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eInstallation Notes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eConfirm the truck’s exhaust connection style before removing the factory exhaust system. For 2020–2025 applications, the truck must have the applicable factory-style 4-bolt connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMinor cutting or trimming may be required for certain short-wheelbase, cab, or bed configurations. Test-fit and align all pipe sections before cutting or fully tightening the clamps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe available product information does not confirm whether welding is required. Some factory hardware may need to be reused during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstallation time varies depending on vehicle condition, corrosion, configuration, available tools, and installer experience. Professional installation is recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAfter installation, inspect clearance around the frame, suspension, spare tire, fuel lines, brake lines, wiring, and body. Recheck and retighten all exhaust connections after the first complete heat cycle.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs this a complete downpipe-back exhaust system?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. This product is a shorter 4-inch CAT and DPF replacement pipe. It retains compatible portions of the truck’s existing exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes it replace the factory turbo downpipe?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. This product does not replace the turbo downpipe and is not a turbo-back exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHow do I know whether it fits my truck?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eConfirm that the truck is a compatible 2017–2025 Chevrolet Silverado or GMC Sierra 2500HD\/3500HD pickup equipped with the 6.6L Duramax L5P engine. Visually inspect the exhaust connections before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWhat connection is required for 2020–2025 trucks?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe supplied fitment information states that 2020–2025 applications require the applicable factory-style 4-bolt exhaust connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this pipe include a muffler?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA muffler is not listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes it include an exhaust tip?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eAn exhaust tip is not listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWill cutting be required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSome shorter cab, bed, or wheelbase configurations may require trimming. Test-fit and align all components before cutting.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs welding required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe available product information does not confirm whether welding is required. Review the physical connections before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAre clamps and hangers included?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eYes. Exhaust clamps and hangers are listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this pipe fit Cab \u0026amp; Chassis trucks?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. This product is not compatible with Cab \u0026amp; Chassis applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWill additional vehicle calibration be required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eReplacing factory emissions-related exhaust components may affect vehicle operation and diagnostics. Consult a qualified professional to confirm vehicle compatibility, installation requirements, and applicable legal restrictions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCompliance Notice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis product alters or replaces factory emissions-related exhaust components. The purchaser and installer are responsible for confirming compliance with all applicable federal, state, and local laws before purchase, installation, or use. \u003c\/span\u003e\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"4\"Cat\u0026DPF Delete Pipe(2017-2025)","offer_id":47384650776829,"sku":"DIPSJ-004","price":259.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/1_d459976d-f2ef-4c54-a665-205765c95b39.png?v=1791089068"},{"product_id":"2017-2025-6-6l-gm-duramax-l5p-4-downpipe-back-dpf-delete-exhaust-system","title":"2017-2025 6.6L GM Duramax L5P 4\" Downpipe-Back DPF Delete Pipe","description":"\u003cp\u003e\u003cspan\u003eUpgrade your \u003cstrong\u003e2017–2025 Chevrolet Silverado or GMC Sierra 2500HD\/3500HD equipped with the 6.6L Duramax L5P engine\u003c\/strong\u003e with this 4-inch downpipe-back DPF delete exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from T409 stainless steel, this system uses mandrel-bent 4-inch tubing to provide a consistent exhaust path and a deeper diesel exhaust tone. It connects downstream of the factory turbo downpipe and replaces the exhaust system toward the rear of the truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan style=\"color: rgb(255, 255, 255); background-color: rgb(255, 122, 26);\"\u003e\u003cstrong\u003eFits only models equipped with a turbo downpipe featuring an OEM-style 4-bolt flange.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eThis product does not fit Cab \u0026amp; Chassis trucks, and some shorter wheelbase configurations may require pipe trimming.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_2026_8_11_14_02_57.png?v=1786428194\" alt=\"CHECK YOUR INLET CONNECTION BEFORE YOU ORDER\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e4-Inch Downpipe-Back Configuration:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eConnects downstream of the factory turbo downpipe and replaces the exhaust system toward the rear of the truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eYear-Specific L5P Fitment:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSeparate configurations are available for 2017–2019 and 2020–2025 Chevrolet Silverado and GMC Sierra HD pickups.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMuffler and Non-Muffler Options:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eChoose a louder non-muffler configuration or the 2017–2019 muffler-equipped option for more controlled sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eT409 Stainless Steel Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eDesigned for durability under high exhaust temperatures and exposure to demanding road conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMandrel-Bent Tubing:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSmooth bends help maintain a consistent internal pipe diameter through curved exhaust sections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHeavy-Duty Pipe Walls:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eApproximately 2 mm wall thickness provides added strength and structural durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDesigned for Freer Exhaust Flow:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe 4-inch tubing is designed to reduce restrictive exhaust flow. Actual results vary depending on vehicle condition, configuration, and other modifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAvailable Options\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eOption\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eModel Years\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eMuffler\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e4\" Downpipe-Back\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2017–2019\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNo\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e4\" Downpipe-Back w\/Muffler\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2017–2019\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e4\" Downpipe-Back\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2020–2025\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNo\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cspan\u003e4\" Downpipe-Back for 2017–2019\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe non-muffler configuration provides a louder and more aggressive exhaust note.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e4\" Downpipe-Back w\/Muffler for 2017–2019\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe muffler-equipped configuration helps reduce overall exhaust volume while retaining a deeper 4-inch diesel tone. It may be more suitable for regular driving, towing, and longer highway trips.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e4\" Downpipe-Back for 2020–2025\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for the later L5P truck platform and its corresponding exhaust layout. This option is not listed as including a muffler.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual exhaust sound varies based on muffler selection, cab style, bed length, vehicle condition, and other modifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDetail\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDownpipe-back DPF delete exhaust system\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel Years\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2017–2025\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVehicle Models\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eChevrolet Silverado and GMC Sierra 2500HD\/3500HD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6.6L Duramax V8\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Code\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eL5P\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePipe Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 inch\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eT409 stainless steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWall Thickness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 2 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConstruction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMandrel-bent tubing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMuffler\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOption-dependent\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConnection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFactory-style 4-bolt connection required\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCab \u0026amp; Chassis Fitment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot compatible\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003e2017–2019 Chevrolet Silverado\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSilverado 2500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSilverado 3500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e2017–2019 GMC Sierra\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSierra 2500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSierra 3500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eChoose either the muffler or non-muffler 2017–2019 configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e2020–2025 Chevrolet Silverado\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSilverado 2500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSilverado 3500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e2020–2025 GMC Sierra\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSierra 2500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSierra 3500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);\"\u003eFits only models equipped with a turbo downpipe featuring an OEM-style 4-bolt flange.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Fitment Notes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDoes not fit Cab \u0026amp; Chassis models.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eDepending on the selected configuration, the package includes:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e4-inch downpipe-back exhaust pipe sections\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExhaust clamps\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExhaust hangers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMuffler with the option specifically labeled “w\/Muffler”\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eSome factory mounting hardware may need to be reused during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAn exhaust tip, sensors, electronic components, flange gasket, bolts, and other unlisted components are not confirmed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eInstallation Notes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eSelect the configuration that matches your truck’s model year and physical exhaust connection before removing the factory exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eFor 2020–2025 applications, confirm that the truck has the required factory-style 4-bolt connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMinor cutting or trimming may be required for certain short-wheelbase, cab, or bed configurations. Test-fit and align all pipe sections before cutting or fully tightening the clamps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe available product information does not confirm whether welding is required. Some factory hardware may need to be reused during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstallation time varies depending on vehicle condition, corrosion, cab and bed configuration, available tools, and installer experience. Professional installation is recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAfter installation, inspect clearance around the frame, suspension, spare tire, fuel lines, brake lines, wiring, and body. Recheck and retighten all exhaust connections after the first complete heat cycle.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs this a short DPF replacement pipe or a complete exhaust system?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThis product is a complete 4-inch downpipe-back exhaust system. It includes multiple exhaust sections extending from the factory downpipe connection toward the rear of the truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this system replace the factory turbo downpipe?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. It connects downstream of the factory turbo downpipe and is not a turbo-back exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWhat is the difference between the 2017–2019 and 2020–2025 options?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe systems are designed for different truck generations and use year-specific pipe layouts and connections. Select the configuration that matches your truck’s model year.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWhich option includes a muffler?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eOnly the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e4\" Downpipe-Back w\/Muffler (2017–2019)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e option includes a muffler.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes the 2020–2025 option include a muffler?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. The listed 2020–2025 option uses a non-muffler configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWhich option is louder?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe non-muffler configurations generally produce a louder and more aggressive exhaust note.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes the system include an exhaust tip?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eAn exhaust tip is not listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWill cutting be required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSome shorter cab, bed, or wheelbase configurations may require trimming an intermediate pipe. Test-fit the complete system before cutting.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs welding required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe available product information does not confirm whether welding is required. Review the physical connections before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAre clamps and hangers included?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eYes. Exhaust clamps and hangers are listed as included. Exact quantities may vary by selected configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this system fit Cab \u0026amp; Chassis trucks?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. This system is not compatible with Cab \u0026amp; Chassis applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWill additional vehicle calibration be required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eReplacing factory emissions-related exhaust components may affect vehicle operation and diagnostics. Consult a qualified professional to confirm vehicle compatibility, installation requirements, and applicable legal restrictions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCompliance Notice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis product alters or replaces factory emissions-related exhaust components. The purchaser and installer are responsible for confirming compliance with all applicable federal, state, and local laws before purchase, installation, or use.\u003c\/span\u003e\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"4\" Downpipe-Back(2017-2019)","offer_id":47384654020861,"sku":"DIPSJ-009S","price":498.0,"currency_code":"USD","in_stock":true},{"title":"4\" Downpipe-Back w\/Muffler(2017-2019)","offer_id":47384654053629,"sku":"DIPSJ-009W","price":598.0,"currency_code":"USD","in_stock":true},{"title":"4\" Downpipe-Back(2020-2025)","offer_id":47384654151933,"sku":"DIPSJ-009S","price":498.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/DIPSJ-009S_8cc4e5df-3080-4751-b6d6-372a52a0acde.jpg?v=1791089358"},{"product_id":"2017-2025-6-6l-gm-duramax-l5p-5-downpipe-back-dpf-delete-exhaust-system","title":"2017-2025 6.6L GM Duramax L5P 5\" Downpipe-Back DPF Delete Pipe","description":"\u003cp\u003e\u003cspan\u003eUpgrade your \u003cstrong\u003e2017–2025 Chevrolet Silverado or GMC Sierra 2500HD\/3500HD equipped with the 6.6L Duramax L5P engine\u003c\/strong\u003e with this 5-inch downpipe-back DPF delete exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from T409 stainless steel, this system uses mandrel-bent 5-inch tubing to create a larger exhaust path and a deeper diesel exhaust tone. It connects downstream of the factory turbo downpipe and replaces the factory DPF exhaust section toward the rear of the truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 255, 255); background-color: rgb(255, 122, 26);\"\u003e\u003cstrong\u003eFits only models equipped with a turbo downpipe featuring an OEM-style 4-bolt flange.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThis product does not fit Cab \u0026amp; Chassis trucks, and some shorter wheelbase configurations may require pipe trimming.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/ChatGPT_Image_2026_8_11_14_02_57.png?v=1786428194\" alt=\"CHECK YOUR INLET CONNECTION BEFORE YOU ORDER\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e5-Inch Exhaust Path:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eProvides a larger exhaust route designed to reduce restrictive exhaust flow and produce a deeper exhaust tone.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDownpipe-Back Configuration:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eConnects downstream of the factory turbo downpipe and does not replace the turbo downpipe itself.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eYear-Specific Fitment:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSeparate systems are offered for 2017–2019 and 2020–2025 L5P Duramax trucks to match differences in exhaust layout and connection design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMuffler and Non-Muffler Options:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eChoose a louder non-muffler setup or the 2017–2019 muffler-equipped option for a more controlled exhaust note.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eT409 Stainless Steel Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eDesigned for durability under high exhaust temperatures and demanding road conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMandrel-Bent Tubing:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSmooth bends help maintain a consistent internal pipe diameter through curved exhaust sections.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHeavy-Duty Pipe Walls:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eApproximately 2 mm wall thickness provides added structural strength for diesel truck applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eAvailable Options\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eOption\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eModel Years\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eMuffler\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e5\" Downpipe-Back\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2017–2019\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNo\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e5\" Downpipe-Back w\/Muffler\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2017–2019\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e5\" Downpipe-Back\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2020–2025\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNo\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2017–2019 non-muffler option\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provides the loudest and most aggressive exhaust note.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2017–2019 muffler-equipped option\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e maintains a deep 5-inch tone while helping reduce overall exhaust volume for regular driving, towing, and longer highway trips.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2020–2025 non-muffler option\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is designed for the later L5P truck platform and its corresponding exhaust connection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual sound varies depending on cab style, bed length, vehicle condition, and other modifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDetail\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDownpipe-back DPF delete exhaust system\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel Years\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2017–2025\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVehicle Models\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eChevrolet Silverado and GMC Sierra 2500HD\/3500HD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6.6L Duramax V8\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEngine Code\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eL5P\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePipe Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 inch\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eT409 stainless steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWall Thickness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApproximately 2 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConstruction\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMandrel-bent tubing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMuffler\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOption-dependent\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eConnection\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eOEM-style 4-bolt flange\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCab \u0026amp; Chassis Fitment\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNot compatible\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003e\u003cspan\u003eVehicle Fitment\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003e2017–2019 Chevrolet Silverado\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSilverado 2500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSilverado 3500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e2017–2019 GMC Sierra\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSierra 2500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSierra 3500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eChoose either the muffler or non-muffler 2017–2019 configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003e2020–2025 Chevrolet Silverado\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSilverado 2500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSilverado 3500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003e2020–2025 GMC Sierra\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSierra 2500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSierra 3500HD with 6.6L Duramax L5P\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFits only models equipped with a turbo downpipe featuring an OEM-style 4-bolt flange.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eImportant Fitment Notes\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDoes not fit Cab \u0026amp; Chassis models.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhat’s Included\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e5-inch downpipe-back exhaust pipe sections\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExhaust clamps\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eExhaust hangers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMuffler with the option specifically labeled “w\/Muffler”\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eSome factory hardware may need to be reused during installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe number and shape of pipe sections may vary depending on the selected model-year range and muffler configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eInstallation Notes\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eSelect the exhaust option that matches your truck’s model year and physical connection style before beginning installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMinor cutting or trimming may be required for certain cab, bed, and wheelbase combinations. Test-fit and align all pipe sections before cutting or fully tightening the clamps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe supplied product information does not confirm whether welding is required. Some factory mounting hardware may need to be reused.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInstallation time varies depending on corrosion, vehicle condition, wheelbase, available tools, and installer experience. Professional installation is recommended.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAfter installation, inspect the clearance around the frame, suspension, spare tire, brake lines, fuel lines, wiring, and body. Recheck and retighten all clamps after the first complete exhaust heat cycle.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs this a DPF delete pipe or a complete exhaust system?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThis product is a 5-inch downpipe-back DPF delete exhaust system. It includes multiple pipe sections extending from the factory downpipe connection toward the rear of the truck.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes it replace the factory turbo downpipe?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. This system connects downstream of the factory turbo downpipe. It is not a turbo-back exhaust system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWhat is the difference between the 2017–2019 and 2020–2025 options?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe systems are designed for different truck generations and may use different pipe layouts, connection points, and hanger locations. Select the option that matches your truck’s model year.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWhich option includes a muffler?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eOnly the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5\" Downpipe-Back w\/Muffler (2017–2019)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e option includes a muffler. The other listed options use non-muffler configurations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWhich option is louder?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe non-muffler configurations generally produce a louder and more aggressive exhaust note than the muffler-equipped version.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes the system include an exhaust tip?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eAn exhaust tip is not listed as included.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWill cutting be required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eSome shorter cab, bed, or wheelbase configurations may require trimming an intermediate pipe. Test-fit the complete system before cutting.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs welding required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe supplied product information does not confirm whether welding is required. Review the connection design before installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAre clamps and hangers included?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eYes. Exhaust clamps and hangers are listed as included. Exact quantities may vary by selected configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes this system fit Cab \u0026amp; Chassis trucks?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eNo. This system is not compatible with Cab \u0026amp; Chassis applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWill additional vehicle calibration be required?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eReplacing emissions-related exhaust components may affect vehicle operation and diagnostics. Consult a qualified professional to confirm vehicle compatibility, installation requirements, and applicable legal restrictions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCompliance Notice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis product alters or replaces factory emissions-related exhaust components. The purchaser and installer are responsible for confirming compliance with all applicable federal, state, and local laws before purchase, installation, or use. \u003c\/span\u003e\u003c\/p\u003e","brand":"DieselPerf","offers":[{"title":"5\" Downpipe-Back(2017-2019)","offer_id":47384657527037,"sku":"DIPSJ-026","price":599.0,"currency_code":"USD","in_stock":true},{"title":"5\" Downpipe-Back w\/Muffler（2017-2019）","offer_id":47384657559805,"sku":"DIPSJ-026W","price":699.0,"currency_code":"USD","in_stock":true},{"title":"5\" Downpipe-Back(2020-2025)","offer_id":47384657625341,"sku":"DIPSJ-026","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/6526\/2077\/files\/Gemini_Generated_Image_nfnkl0nfnkl0nfnk.png?v=1791089061"}],"url":"https:\/\/dieselperf.com\/collections\/duramax-sale.oembed","provider":"DieselPerf","version":"1.0","type":"link"}