This DPF - back exhaust system is constructed of 5 mandrel - bent 409 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system is a 6 diameter polished 304 stainless steel intercooled clamp - on exhaust tip. The tip features an aFe POWER logo plate riveted on for a unique style. Some cutting may be required, see instruction sheet for further information. Utilizing factory style hangers this system mounts directly to factory mounting locations 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. This system fits Double Cab Short - Bed - 149.4 Wheelbase, Crew Cab Short - Bed - 158.9 Wheelbase, Double Cab Long - Bed - 162.4 Wheelbase, Crew Cab Long - Bed - 172 Wheelbase