Pro Power Diesel's 4 inch race pipe is made from T409 Stainless Steel. It will fit all wheel bases and cab styles of 2017-2023 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 race trucks only. Comes with all the required clamps, pre-weld contour bent hangers, and stronger flanges to help you cruise through the installation process. This kit not only sounds great, but will improve fuel mileage, throttle response, and torque in your 6.6L.
Features:
- 4" Race Pipe
- Easy Install
- STAINLESS STEEL - NO CHEAP ALUMINIZED STEEL HERE!!
- All cab size and bed length configurations
Manufactured by ProPower Diesel in the USA.
IMPORTANT NOTE
In 2017, GMC made a production change in the connection between the catalytic converter and the turbo direct pipe on the L5P. Please ensure you have the newest 4-bolt style flange before ordering.