GM Duramax Delete Kits – DPF / EGR / DEF

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...

The Duramax L5P CAN BUS Plug Kit is an essential upgrade for 2017+ Chevrolet Silverado and GMC Sierra L5P 6.6L diesel trucks undergoing delete tuning. Designed to keep your truck’s ECM functioning correctly, it prevents faulty signals after removi...

Unlock stronger torque, sharper throttle response, and real-world drivability gains. This L5P tuning package is designed for 2017–2025 Chevrolet Silverado and GMC Sierra 2500HD / 3500HD trucks equipped with the 6.6L Duramax. Choose between Switch-...

Boost performance and reliability with this passenger side up-pipe for 2001–2016 Duramax 6.6L engines. Featuring a larger 2" diameter and durable stainless steel construction, this up-pipe replaces the OEM pipe that often develops leaks at the bel...

Take control of your transmission performance with a fully optimized TCM tuning solution for the L5P Duramax. This TCM Tune is designed specifically for 2017–2023 Chevrolet Silverado and GMC Sierra 2500HD/3500HD trucks equipped with the 6.6L Dura...

Unlock the full potential of your L5P Duramax with the JS Speed TCM Tuning Add-On Bundle. This complete package combines an unlocked TCM, specialized tuning files, and tuning credits—providing the ultimate upgrade for smoother shifts, stronger p...

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...

Unlock On-The-Fly Power for Your Duramax Boost performance and drivability with our premium DSP5 SOTF Switches, designed for seamless integration with EFI Live DSP5 tuning. These switches allow you to change tunes instantly while driving—no reflas...

Expand your EFI Live AutoCal with this Tune Package, engineered for GM Duramax trucks. Perfect for adding another vehicle to your existing AutoCal, this package provides custom tune files and optional SOTF (Shift-On-The-Fly) switch for real-time c...

Upgrade reliability and performance with a proven CP3 fuel system. The Duramax LML CP3 Conversion Kit replaces the weak CP4 fuel pump on 2011–2016 Duramax 6.6L engines with the highly reliable CP3 pump. This upgrade not only improves performance b...

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...

Upgrade your GMC Sierra or Chevrolet Silverado 2500/3500 with this comprehensive All-in-One Duramax LML tuner and DPF delete kit, designed for 2011–2016 6.6L Duramax diesel engines. Engineered for maximum power, reliability, and efficiency, this ...

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. ...