This cat - back exhaust system is constructed of 3 - 2 - 12 mandrel - bent 304 stainless steel tubing for maximum strength and durability. This system features a high - flow 304 stainless steel muffler, producing a smooth sound. Finishing off this exhaust system are dual 4 diameter black 304 stainless steel clamp - on exhaust tips. The tips feature a laser etched aFe POWER logo for a unique style. This system produces a smooth sound unleashing all available horsepower and torque. This system is compatible with PN 49M10001 resonator. Utilizing factory style hangers this system is a direct bolt - on system, which requires no cutting or modifications for a hassle - free installation. Utilizing state - of - the - art computer - aided design technology, this exhaust system is designed for custom, high tolerance factory fitment. 100 MIG - Welded for race - proven strength and durability.