This cat - back exhaust system is constructed of 3 IN mandrel - bent 409 stainless steel tubing for maximum strength and durability. Finishing off this exhaust system is a 4 - 12 IN diameter polished 304 stainless steel clamp - on exhaust tip. The tip features an aFe POWER logo plate riveted on for a unique style. This system features an integrated Tuned Helmholtz resonator to tone down any drone. Utilizing factory style hangers this system is a direct bolt - on system, which requires no cutting or modifications for a hassle - free installation. This cat - 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.