This axle - back exhaust system is constructed of 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 powerful sound. Optional tips are available. This system produces a powerful sound unleashing all available horsepower and torque. Utilizing a factory style flange and 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.