This MACH Force - Xp Cat - Back exhaust system is constructed of 3 mandrel - bent stainless steel tubing and comes complete with free - flowing muffler, OE style bayonet hangers, band clamps and necessary hardware for a hassle - free installation. The smooth curves and increased diameter of this exhaust system helps remove restriction and keeps exhaust gas flowing smoothly for increased horsepower and torque. This system produced 11 horsepower and 22 lbs. x ft. of torque over the stock exhaust system verified by our in house dyno. (Dyno results from 49 - 36115 - BP) of torque over the stock exhaust system verified by our in house dyno. Hi - Tuck This exhaust system is finished off with a Hi - Tuck that is developed to give you extra clearance during extreme angle climbs or descents. Installation is a Snap This MACH Force - Xp uses all factory mounting locations providing stability and a hassle - free installation. Leak - Free Seal High quality OE - style flange and premium band clamps are used for a complete 360 - degree sealing surface eliminating leak paths. Aggressive Sound A free - flowing stainless steel, 22 length muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. Perfect Fit OE - style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The bayonet tip holds the hanger bushing in place for an OE - style fit that does not change with time.