This MACH Force-Xp Cat-Back exhaust system is constructed of 2-1/2" 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-B/P) 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. MACH Force-Xp 2-1/2 IN 409 Stainless Steel Cat-Back Hi-Tuck Exhaust System Nissan Patrol (Y61) 01-18 I6-4.8L Nissan Patrol (Y61) 97-16 I6-4.8L