4" DPF Race Pipe (Extended Cab Short Box) | 2007.5-2010 GM 2500/3500 6.6L DURAMAX-431004 GM Cars/Trucks " Not intended for towing

Not intended for towing

spring loaded cylinder and pressure regulation provides up to 150 retarding horsepower throughout the engine's RPM range - not just at high rpm like some designs that use holes or additional parts and claim it as a better idea

For the guys that already have our Insight CTS3 installed in their 2017-2019 trucks

Dyno proven gains up to +20 HP / +17 Lb x ft TQ

Update device and download aFe POWER’S custom tunes over Wi-Fi Price includes applicable core fee

4" DPF Race Pipe (Extended Cab Short Box) | 2007.5-2010 GM 2500/3500 6.6L DURAMAX-431004 GM Cars/Trucks " Not intended for towingConstructed out of 16 gauge aluminized steel or T409 Stainless, this exhaust system is designed to simplify installation with included clamps, preweld contour bends and improved flanges. Enjoy a noticeable boost in performance, lowered EGTs and amplified air flow with this Mel's system. For powerhouse performance, Mel's delivers horsepower you can hear! Features: Ease of installation Contour Bent Hangers TorcTite Clamps No Bungs These parts are for