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 are dual 3-1/2" diameter black 304 stainless steel middle-side exit exhaust tips. The tips features a laser etched aFe POWER logo for a unique style.Utilizing factory style hangers this system is a direct bolt-on system, which requires no cutting or modifications for a hassle-free installation. This DPF-back exhaust system uses a heavy duty flex pipe with an internal interlock liner for added strength and durability. 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. Intercooled tubing provides reduction in exhaust gas temperatures.