aFe MACHForce XP Exhaust 5in DPF-Back Stainless Steel Exhaust 2015 Ford Turbo Diesel V8 6.7L No Tip - 49-43064 This Mach FORCE Xp exhaust system is constructed of 5" mandrel-bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT's.This Part... $557.00 Compare