GM Duramax Delete Kits – DPF / EGR / DEF

Unlock airflow and performance in your 6.6L Duramax. This 4-inch stainless steel delete pipe replaces the factory catalytic converter and diesel particulate filter (DPF). Designed strictly for off-road and competition use, it reduces exhaust restr...

Eliminate heat, soot, and failure pointsThis EGR & Cooler Delete Kit is engineered for 2017–2025 Duramax L5P 6.6L trucks to remove the factory EGR system, reducing exhaust gas temperatures and improving engine efficiency. Designed for off-road...

Let your L5P breathe the way it was meant to. Designed for 2017–2025 Chevrolet Silverado and GMC Sierra 2500HD/3500HD trucks equipped with the 6.6L Duramax L5P, this downpipe-back race exhaust system improves exhaust flow, enhances turbo response,...

One bundle. No compatibility guesswork. This complete LWN tuning package is designed specifically for 2016–2022 Chevrolet Colorado and GMC Canyon trucks equipped with the 2.8L LWN Duramax. It includes the required OBD2 flash interface, delete tuni...

One bundle. All the power. No guesswork.This all-in-one LM2 delete tuning solution includes the OBD2 flash tuning hardware, the custom delete tune file, and all required tuning credits. It’s the fastest and cleanest way to unlock the performance p...

Hold the boost. Protect the power. Upgrade your 2004.5–2005 LLY Duramax with a reinforced silicone intercooler hose kit built to handle heat, boost pressure, and long-term engine demands. Whether your truck is stock, tuned, towing heavy loads, or ...

Increase airflow. Reduce heat. Support stronger boost delivery. This upgraded Intercooler Pipe & Boot Kit is designed for 2011–2016 6.6L Duramax LML trucks and replaces restrictive factory charge piping with larger-diameter aluminum tubing and...

Improve charge-air flow and support stronger boost delivery. This 3-inch Intercooler Pipe & Boot Kit is designed for 2002–2004 6.6L Duramax LB7 trucks and replaces restrictive factory charge piping with larger-diameter aluminum tubing and rein...

Serious clamping strength for serious Duramax builds. This Gator Heavy-Duty Head Stud Kit is designed to reinforce the cylinder head sealing system on 6.6L Duramax engines from 2001–2016. Whether your truck tows heavy, runs aggressive tuning, or s...

Upgrade airflow and durability at the turbo inlet.This steel turbo intake horn replaces the brittle OEM plastic inlet found on 2017–2025 GM 6.6L Duramax L5P trucks. Finished in black powder coat and built to withstand heat, vibration, and high-boo...

Upgrade airflow, power, and under-hood style.This performance cold air intake system is built specifically for 2013–2016 GM 6.6L Duramax LML trucks. Featuring 4" aluminum piping and a wrinkle black finish, it’s engineered to improve throttle respo...

Increase flow. Reduce heat. Eliminate factory weak points. These 2” stainless steel up-pipes are engineered for 2017–2024 6.6L Duramax L5P trucks, replacing the restrictive factory 1-5/8” piping. Built for improved exhaust flow and long-term durab...

Vehicle Fitment: This Cold Air Intake is compatible with 2007.5, 2008, 2009, and 2010 GMC Sierra and Chevrolet Silverado 2500/3500 models equipped with the 6.6L Duramax LMM engine. Please note, this product ships directly from the manufacturer. Sh...

Vehicle Fitment This Duramax 6.6L Cold Air Intake Pipe is custom designed for the following models : 2011-2016 GMC Sierra 2500/3500 2011-2016 Chevrolet Silverado 2500/3500 It fits only vehicles with the OEM-style 3-bolt flange on the turbo direc...

Our Cold air intake for Duramax is compatible with 2017-2024 GMC Sierra and Chevrolet Silverado 2500/3500 6.6L Duramax . This delivers peak performance by significantly reducing air restriction. It improves airflow by 43.86% over sto...

Free up exhaust flow and support performance-focused builds. This 4” Stainless Steel DPF Delete Race Pipe is engineered for 2015.5–2016 GMC Sierra and Chevy Silverado 2500/3500HD trucks equipped with the 6.6L Duramax and OEM-style 3-bolt turbo fla...

Free up exhaust flow and support off-road performance. This 4” Stainless DPF Delete Pipe is built for 2011–2015 Chevrolet Silverado and GMC Sierra 2500/3500HD trucks equipped with the 6.6L Duramax. Designed for competition and off-road application...

Smoother airflow. Stronger materials. Cleaner engine bay. This Intake Bridge Kit is designed for 2011–2016 GMC Sierra and Chevrolet Silverado 2500/3500HD trucks equipped with the 6.6L Duramax LML. Featuring mandrel-bent aluminum tubing and CNC-mac...

Improve airflow and long-term reliability by eliminating the restrictive factory EGR cooler on your L5P Duramax. This EGR Delete Kit is designed for 2017–2023 GM HD trucks equipped with the 6.6L L5P Duramax engine. By removing the factory EGR cool...

The Duramax Exhaust Manifold Kit is built for 2001–2016 Duramax 6.6L engines and delivers significant gains in airflow, turbo efficiency, and throttle response. With cast iron manifolds for strength and stainless-steel up-pipes for durability, thi...

Increase exhaust flow and unlock stronger performance with a stainless race exhaust built for the Duramax LML. This Downpipe-Back Race Exhaust System is designed for 2011–2015 Chevrolet Silverado and GMC Sierra 2500HD/3500HD trucks equipped with t...

Upgrade your 2011–2015 Duramax with this 3" stainless steel downpipe designed to increase exhaust flow and unlock more turbo efficiency. Compared to the restrictive factory pipe, this high-flow replacement delivers up to 20% better airflow, helpin...

Unlock improved performance and reliability with the Duramax LML EGR Cooler Delete Kit, built specifically for 2011–2016 GMC Sierra and Chevrolet Silverado 2500/3500 trucks. This kit removes the restrictive EGR system, reducing carbon buildup, pre...

The Duramax LML EGR Delete Kit is a proven upgrade for 2011–2014 GMC Sierra, Chevrolet Silverado 2500/3500, and Savana/Express Vans. This kit completely removes the restrictive factory EGR system, helping to improve performance, reliability, and e...