This DPF - back exhaust system is constructed of 3 mandrel - bent 304 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system is a 3 diameter 304 stainless steel intercooled exhaust tip. The tip features an aFe POWER logo plate for a unique style. Intercooled tubing provides reduction in exhaust gas temperatures. Reduces weight over factory system by eliminating muffler. Utilizing a factory style hanger 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.