All Products

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...

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...

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 ...

Remove restrictive EGR components and simplify your LLY setup. This EGR Delete Kit is designed for 2004.5–2005 GM 2500HD/3500HD trucks equipped with the 6.6L LLY Duramax engine. Built for off-road and competition applications, this kit removes the...

Upgrade Your Intake System for Maximum Durability & Flow The Duramax LLY Y-Bridge Kit is built to replace the factory intake bridge, which is prone to blowing apart under boost and causing drivability issues. This heavy-duty, high-flow system ...

Essential upgrade for smooth delete tuning. The Duramax LM2 CAN BUS Plug is specifically engineered for 2020–2022 Chevy Silverado 1500 and GMC Sierra 1500 LM2 diesel trucks. It ensures proper communication between your ECM and modified components ...

Unleash the power of your GM Duramax LM2 (2020-2022) with this 3" Stainless Steel Exhaust System, crafted to enhance performance and efficiency. The Duramax LM2 Cat and DPF Race Pipe improves airflow, reduces exhaust gas temperatures, and delivers...

Send-In ECM Upgrade & Unlock Service E46 ECM tuning for Duramax LM2 trucks offers a convenient service to unlock and upgrade your ECM. This process, designed for 2020-2022 Chevy Silverado and GMC Sierra 1500 3.0L Duramax (LM2) models with the...

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...

Upgrade your 2020–2022 3.0L GM Duramax LM2 1500 with this All-in-One Delete Kit. Designed to unlock hidden power and efficiency, this package combines tuning, exhaust, and hardware components into a single, seamless off-road performance upgrade. ...

Boost the performance and reliability of your 2020–2022 GMC Sierra or Chevrolet Silverado 1500 LM2 3.0L Duramax with the Black Bandit LM2 EGR & Cooler Delete Kit. Engineered for precision, this kit eliminates the failure-prone EGR cooler syste...

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...

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...

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...

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 the performance potential of your 2015.5–2016 Duramax 6.6L with this 4" or 5" Downpipe-Back DPF Delete Exhaust System. Built from T409 stainless steel, this system replaces restrictive factory components—including the catalytic converter an...

Open up your LMM’s airflow and let it breathe. Designed for 2007.5–2010 Silverado and Sierra 2500HD/3500HD pickups equipped with the 6.6L Duramax LMM, this downpipe-back exhaust system improves exhaust efficiency, lowers backpressure, and produces...

Boost Reliability & Performance The LMM 6.6L EGR Delete Kit is a proven upgrade for 2007.5–2010 GMC Sierra and Chevrolet Silverado 2500/3500 Duramax 6.6L engines. By eliminating the restrictive EGR system, this kit reduces common issues such a...

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...

Refined power. Smarter drivability. Real-world performance. Designed specifically for the 2022.5–2025 GM 3.0L Duramax LZ0 platform, this custom Power Tune Package enhances torque delivery, throttle response, transmission behavior, and overall effi...

The Duramax LBZ EGR Valve & Cooler Delete Kit is designed to eliminate the restrictive and failure-prone factory EGR system on late 2006 to early 2007 Duramax LBZ 6.6L engines. By removing the EGR valve and cooler, this kit improves airflow, r...

A simple way to block EGR flow and reduce soot buildup. This stainless steel EGR Blocker Shim Kit is designed for 2011–2016 GM 2500HD/3500HD trucks equipped with the 6.6L Duramax LML. It provides a straightforward EGR block-off solution using prec...

An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Our Holley EFI Harness Kit for your GM LS engine comes complete with the main harness...

An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Our Holley EFI Harness Kit comes complete with the main harness, power harness and in...