Home » 2013-2018 6.7L Ram Cummins 5" Turbo Back DPF Delete Pipe (With Muffler )

Compatibility: 2013-2018 Dodge Ram Cummins 6.7L (2500/3500)

Product: 5" Turbo-Back DPF Delete System (With Muffler)

LEGAL DISCLAIMER & COMPLIANCE

OFF-ROAD USE ONLY: This high-performance racing component is engineered exclusively for competition or sanctioned off-road use. It does not comply with federal or local emissions laws for highway operation. Installation on any vehicle registered for public roads is strictly prohibited. The end-user assumes all legal liability and risk associated with the installation and use of this product.

PHASE 1: DISASSEMBLY & REMOVAL

Step 1: Electrical & Sensor Disconnection

  1. Carefully disconnect all EGT sensors, pressure sensors, and DEF (Diesel Exhaust Fluid) injector harnesses from the factory downpipe, SCR, and DPF units.

  2. Unscrew the two primary flange connections and loosen the clamp at the rear tailpipe section. Remove the SCR and DPF units from the chassis, then proceed to remove the factory tailpipe.

  3. At the turbocharger, loosen the V-band clamp bolt and remove the clamp securing the factory downpipe.

Step 2: Hardware Preservation Using a flat-head screwdriver, pry the clips from the three flange positions. Disconnect the cooling lines and retain the factory clips; these are essential for the reinstallation process.

PHASE 2: COMPONENT INSTALLATION

Step 3: Downpipe Setup

  1. Clamp Positioning: Before installing any tubing or the muffler, ensure that pipe clamps are pre-positioned over all connection joints.

  2. Downpipe #1 Installation: Secure the new downpipe using the original factory V-band clamp.

    • Tech Note: Snug the clamp down enough to support the pipe's weight, but leave sufficient play to allow for alignment adjustments later.

Step 4: Intermediate Pipe Integration Install Pipe #2 by inserting the integrated metal hangers into the factory OEM rubber insulators.

  • Important: Factory sensors and auxiliary lines do not need to be reinstalled into this racing exhaust system. Please follow the specific instructions provided by your electronic tuner/calibrator for sensor management.

Step 5: Wheelbase Adaptation (Extension Pipes) Depending on your vehicle’s cab and bed configuration, install the required extension tube:

  • MegaCab / Short Bed (SB) Models: Requires #4-1 Extension Pipe.

  • CrewCab / Long Bed (LB) Models: Requires #4 Extension Pipe.

Step 6: Muffler & Tailpipe Assembly

  1. Install the #3 Performance Muffler.

  2. Proceed to install the #5 Over-Axle Pipe and the #6 Tailpipe.

  3. Secure all hangers into the OEM rubber isolators.

    • Note: On specific models, you may need to migrate two factory rubber insulators from the stock exhaust to the metal hangers located on the truck’s cross-beam forward of the rear axle.

PHASE 3: FINAL ALIGNMENT & TORQUE

Step 7: System Calibration & Securing Adjust the entire 5" system to ensure proper chassis clearance and an aesthetically level fit. The system should be installed with moderate tension to prevent rattling while allowing for thermal expansion.

  1. Torque Sequence: Working from the front turbo flange toward the rear, tighten all connections and clamps evenly.

  2. Ensure no part of the exhaust is in direct contact with the frame or suspension components to prevent noise and vibration.

POST-INSTALLATION ADVISORY

  • ECM Tuning: This hardware modification requires a compatible Electronic Calibration (Race Tune) to disable the factory emissions logic. Failure to update the software will result in "Limp Mode."

  • Maintenance: It is highly recommended to re-torque all clamps after the first 50–100 miles of driving to account for material settling and heat cycles.