GM Duramax Delete Kits – DPF / EGR / DEF

Eliminate intake restriction and restore smooth airflow. Designed for 2011–2016 6.6L Duramax LML trucks, this billet throttle valve delete replaces the factory grid heater throttle assembly that can restrict airflow—especially on tuned or modified...

Control crankcase pressure. Protect your intake system. This CCV (Crankcase Ventilation) Upgrade Kit is designed for 2012–2016 6.6L Duramax LML trucks and replaces the restrictive factory crankcase ventilation assembly. By properly venting blow-by...

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...

Replace the factory CCV weak points with billet reliability. This CCV Upgrade Kit is designed for 2017–2024 6.6L Duramax L5P trucks and replaces the failure-prone OEM plastic crankcase ventilation/PCV box with precision-machined billet aluminum co...

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...

The Duramax LBZ/LMM Y-Bridge Kit replaces the factory intake bridge, which is prone to blowing apart under boost and causing drivability issues. Built with heavy-duty materials and a high-flow design, this kit improves airflow, lowers exhaust gas ...

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...

Upgrade your 2004.5–2010 Chevrolet Silverado or GMC Sierra 2500/3500HD 6.6L Duramax with this 3" stainless steel downpipe. Built for durability and performance, this downpipe improves exhaust flow by 20% over stock, lowers engine bay temperatures ...

Upgrade your 6.6L Duramax with this 3" stainless steel downpipe, designed to outperform the restrictive factory unit. With a 20% increase in exhaust flow, this downpipe reduces EGTs, improves turbo spool, and boosts efficiency—whether you’re towin...