631006-EGRL5P Mel's Manufacturing EGR Delete Kit - GMC/Chevy 6.6L Duramax 2017-2019

Mel's Manufacturing 3.5" replacement turbo direct pipe for 2017-2022 GMC/Chevy Duramax 6.6L Duramax L5P 2500HD/3500 trucks.

Mel's Manufacturing Aluminized 5" Down Pipe Back Exhaust kit for your 2017-2019 GMC/Chevy Duramax 6.6L L5P 2500/3500HD turbo diesel PICKUP. This pipe kit will only fit models equipped with the OEM style 4-bolt flange off of the turbo direct pipe. Race tuning required. This kit does not come with a muffler and will fit PICKUP applications ONLY (Will NOT Cab & Chassis models)

Mel's Manufacturing 4" Aluminized Steel CAT & DPF Delete Pipe kit for your 2007.5 - 2012 Dodge 6.7L Cummins - No Bungs

Eliminate the problematic EGR valve and cooler with this high quality Mel's Manufacturing EGR Valve & Cooler Delete Kit for your 2007.5-2018 Dodge 6.7 Cummins 2500/3500 pickup. Race tuning required.

Mel's Manufacturing Aluminized 5" Down Pipe Exhaust kit for your 2020+ GMC/Chevy Duramax 6.6L L5P turbo diesel 2500/3500HD pickup. This pipe kit will only fit models equipped with the OEM style 4-bolt flange off of the turbo direct pipe. Does not come with muffler. Race tuning required.

The all-new GMC/Chevy L5P flash tuning with in-vehicle ECM unlocking capability! The EvoHT2 now offers complete ECM unlocking in your 2017-2019 Duramax without touching the module itself, no swapping ECM, no cores, no finicky harnesses to disconnect and best of all no more taking your truck off the road for weeks while you ship the ECM across the country!