aFe MACH Force-Xp 4 IN 409 Stainless Steel Race Pipe GM Diesel Trucks 11-16 V8-6.6L (td) LML - 49-44027

Engineered to perform in the most extreme environments. This system is constructed from 4 in. mandrel bent stainless steel tubing for maximum flow; increased horsepower; increased torque;lower EGTs. All systems use factory mounting locations providing stability and hassle-free installation. One piece design for an even easier installation. High quality OE style 3/8 in. thick flanges are use for a complete 360 deg. sealing surface.