2017-2026 Duramax 6.6 Stainless Steel 4" Race Pipe featured it will open up your

it will open up your exhaust system and lower your EGTs

GMC made a production change in the connection between the catalytic converter and the turbo direct pipe on the L5P

This is the one you want if you are putting your truck on a weight loss plan

IMPORTANT NOTE

ProPower Diesel 5" Muffler - By Donaldson

2017-2026 Duramax 6.6 Stainless Steel 4" Race Pipe featured it will open up yourPro Power Diesel's 4 inch race pipe is made from T409 Stainless Steel. It will fit all wheel bases and cab styles of 2017 2026 6. 6 Duramax. Compare to systems by FLO PRO and similar systems by MBRP and Jamo for the 2017 2023 6. 6L, 2500 3500 W OEM 4 BOLT FLANGE EC CC SB LB DUALLY, PICKUP ONLY. This kit allows you to remove the restrictive OE exhaust system, it will open up your exhaust system and lower your EGTs. This exhaust system is intended for