aFe Large Bore-HD 5in 409 Stainless Steel Down-Pipe Back Exhaust System GM Diesel Trucks 01-07 V8-6.6L (td) LB7/LLY/LBZ - 49-44007NM

The new MACH Force XP exhaust is engineered to perform in the most extreme environments. Constructed from 5in. mandrel bent 409 stainless steel tubing for maximum flow, increased horsepower, increased torque and lower EGT's. This system is available in 5in. turbo-back without muffler. All MACH Force exhaust systems come with all the necessary hardware for a clean and simple installation.