Overview Reviews Product Description 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. Product Videos Custom Field Product Reviews Write a Review Write a Review × aFe Power aFe MACHForce XP Exhaust 5in DPF-Back Stainless Steel Exhaust 2015 Ford Turbo Diesel V8 6.7L No Tip Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *