• spelab-2004-2005-6-6l-duramax-lly-egr-delete-kit-with-high-flow-intake-2978
  • spelab-2004-2005-6-6l-duramax-lly-egr-delete-kit-with-high-flow-intake-2978
  • spelab-2004-2005-6-6l-duramax-lly-egr-delete-kit-with-high-flow-intake-2978
  • spelab-2004-2005-6-6l-duramax-lly-egr-delete-kit-with-high-flow-intake-2978
  • spelab-2004-2005-6-6l-duramax-lly-egr-delete-kit-with-high-flow-intake-2978
  • spelab-2004-2005-6-6l-duramax-lly-egr-delete-kit-with-high-flow-intake-2978
  • spelab-2004-2005-6-6l-duramax-lly-egr-delete-kit-with-high-flow-intake-2978
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2004-2005 6.6L Duramax LLY EGR Delete Kit With High Flow Intake

2004-2005 6.6L Duramax LLY EGR Delete Kit With High Flow Intake

$94.00
$94.00 $94.00
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Description

An EGR delete improves fuel economy (up to 20%), reduces DPF failure risk, and extends engine life by preventing soot buildup. It lowers engine temperatures, restores power, and avoids costly EGR repairs. The engine runs cleaner and more efficiently without recirculating exhaust gases.

Key Features

  • Condition: 100% Brand New, Aftermarket Product
  • Direct replacement. No installation instruction. No Glue
  • Formulated for high-temperature applications, or heavy-duty use (such as towing, etc.).
  • Replaces almost any cut gasket by making reliable, formed-in-place gaskets that resist cracking, shrinking and migrating caused by thermal cycling.
  • Coats pre-cut gaskets to increase reliability. Temperature range -65u00b0F to 650u00b0F (-54u00b0C to 343u00b0C) intermittent; resists auto and shop fluids.

Fitment

  • 2004 2005 GMC Sierra 2500 3500 HD 6.6 LLY Duramax Diesel
  • 2004 2005 Chevrolet Silverado 2500 3500 HD 6.6 LLY Duramax Diesel

Note: make sure that the size and shape of the product match your car. Due to actual measurement by hand, there may be a 1-2cm error.


What Are The Benefits of EGR Delete?

An EGR delete can bring about several benefits. These include:

Improved Fuel Economy and Engine Longevity
An EGR delete helps you restore your diesel engine’s power levels which, in turn, also restores your overall fuel efficiency. Since an EGR delete kit sends the exhaust gas away from your car’s engine, it starts to run cleaner, too. Not only does it make the process increasingly efficient, but it also reduces the chances of DPF (diesel particulate filter) failure. So, overall, with this aftermarket kit, you can see an increase of up to 20% in your fuel economy. Along with that, the EGR delete kit can also improve your engine’s longevity.

Reduced Engine Temperature
EGR valves naturally contain a high content of soot. When the EGR system’s valve or coolers get clogged with soot, the exhaust gases start to circulate more around the system, resulting in a blockage. As a result, the temperatures around the engine rise and you experience a reduction in the engine’s power. However, when you bypass this, lower exhaust gas is produced. In turn, during operation, your vehicle experiences a reduced engine coolant temperature.

Helps Save Money
In addition, an EGR delete can also help you save money on some costly repairs. The EGR, if damaged, can be quite costly to repair and replace. An EGR delete removes the possibility of such damage, thereby saving your money.

FAQ

Q1. Will this LLY EGR Delete Kit affect engine reliability?
No—in fact, it improves long-term engine reliability. The LLY EGR Delete Kit eliminates hot exhaust gas recirculation, reducing carbon buildup in the intake system and lowering combustion temperatures. This helps extend the life of your turbocharger, intake manifold, and engine components.

Q2. Will I get a check engine light after installing the LLY Duramax EGR Delete Kit?
Without proper ECU tuning, you may trigger engine codes or limp mode. We recommend pairing any LLY Duramax EGR Delete Kit with a custom tune using EFI Live, HP Tuners, or similar software to disable EGR-related diagnostics and ensure smooth performance.

Q3. Does the LLY EGR Delete kit include a high-flow intake pipe?
Yes. This kit comes with a high-flow intake tube designed to improve airflow and combustion efficiency. It provides a solid upgrade foundation for tuned or performance-modified LLY Duramax trucks.

Q4. Can I install the 2005 Duramax EGR Delete Kit from myself?
Yes. The 2005 Duramax EGR Delete Kit is a bolt-on solution with complete hardware included. It's suitable for experienced DIYers with basic mechanical skills. We recommend watching an install video or referencing the manual before starting—most installs take 2–3 hours.

Q5. Is an LLY EGR Delete kit legal for on-road use?
No. Any form of LLY EGR delete is intended for off-road, race, or non-highway use only. It is not emissions-compliant for public roads in most states, including California. Please check your local laws before purchase and installation.


Fast Shipping Policy

Your order will be dispatched within 1-2 business days, and the package will arrive within your order's estimated date. 

Easy Return Policy

Every order comes with a 14-day free return, which means you don't have to pay for a return slip. 

  • One-Year Warranty
  • 14-Day Return
  • 4-12 Days To Arrive
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Didn’t find what you were looking for? Reach out below!

Frequently Asked Questions

What is a delete tuner?

A delete tuner is a device that reprograms yourtruck's ECM (computer) to turn off emissionssystems like the DPF, EGR, and DEF, allowing yourtruck to run without those components

Can l use a delete tuner withoutphysically removing TheDPF/DEF/EGR parts?

You MUST remove your DPF(Diesel ParticulateFilter), as the filter will clog and stop all exhaust flowwhen shut off. You will no longer need DEF(DieselExhaust Fluid), and you may remove your DEF tankif you wish, or it can sit empty. The EGR may remainas is, but we recommend removing the physicalparts as well.

Is a Delete Tune bad for mytruck's engine?

Quite the opposite. In fact, many customers reportimproved engine life, smoother shifting, and betterfuel economy (typically 3-5 MPG gains) when usinga quality delete tuner.

What's the difference between adelete tuner and a delete tune?

The tuner is the hardware device. The tune is thesoftware file that gets uploaded to your truck's ECM.Your delete tuner includes a delete tune when youpurchase from us.

Do delete tuners void my warranty?

Yes. Any emissions-related modification, includingtuning, can void the manufacturer's warranty. Manycustomers wait until after their warranty expiresbefore deleting.

Do l need a mechanic to install thetuner? How long does installationtake?

Not necessarily. Many of our customers install their delete tuner themselves in under 30 minutes. We include easy-to-follow instructions, and our support team is available if you need help.

Will my truck pass inspection oremissions testing with a deletetuner?

No. Delete tuners disable emissions systems, so your truck will not pass emissions tests in areas where they're required. Some states have exemptions (e.g. heavy-duty or rural-use trucks).

Can l go back to stock afterinstalling a delete tuner?

Yes. However, in most cases you will have to have the ECM flashed at the dealership. If this is a concern, contact our team and we can explain further.

Is the delete tune VlN-locked?

Yes. All delete tunes are VIN specific and will only work on one truck. The tuner (hardware device), may be used on multiple vehicles for diagnostic or monitoring purposes where applicable.

What support do l get with my tuner?

We offer lifetime customer support, step-by-step install guides, and remote help from our tuning team. You're never left hanging, even after the sale.