This MACH Force-Xp Cat-Back exhaust system is constructed of 2-1/2" to 3-1/2" mandrel-bent 409 stainless steel and comes complete with free-flowing muffler, tubing, OE style bayonet hangers, band clamps and all hardware necessary 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 is finished off with a 304 stainless steel polished tip that creates the aggressive, high quality look your Titan needs. MACH Force-Xp 2-1/2" Cat-Back Exhaust System w/ Polished Tip Nissan Titan 16-19 V8-5.6L Nissan Titan XD 16-18 V8-5.6L