631009 Mel's Manufacturing EGR Delete Kit - GMC/Chevy 6.6L Duramax 2020-2023

Mel's Manufacturing / Flo Pro Aluminized 4" Downpipe Back Exhaust kit for your 2020+ GMC/Chevy Sierra/Silverado Duramax 6.6L L5P turbo diesel 2500/3500HD pickup. Comes with muffler. Tuning required, see related products below.

Mel's Manufacturing / Flo Pro Stainless 4" Downpipe Back Exhaust kit - No Muffler for your 2017-2019 6.6L Duramax L5P Sierra/Silverado 2500HD & 3500 turbo diesel pickup. Tuning required, see related products below.

Unlock the full potential of your 2017-2022 with AMDP HP Tuning MPVI Custom Tuning

The new E41 ECM Upgrade Kit offers a convenient option to perform the ECM upgrade on your 2017-2023 Chevy Silverado/GMC Sierra 6.6L Duramax in your own garage/shop. The best part? There’s no need to remove the ECM from the truck. This means there’s no risk of breaking tabs during the removal or reinstallation process. This kit also doesn’t require any reprogramming or relearns.

Protect your wiring from the open elements and provide a cleaner look when removing emissions components with Shibby Engineering's tuner harness plug kit for your 2017-2022 L5P Duramax 6.6L Diesel.

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