This system is constructed of durable mandrel-bent 4" to dual 3" 304 stainless steel tubing for maximum corrosion resistance. Mandrel-bent tubing for maximum air flow and low turbulence; increasing torque, horsepower and improved throttle response. This system features a high-flow stainless steel muffler, producing a aggressive sound. Muffler finish may vary. This system produces an aggressive sound unleashing all available horsepower and torque. This cat-back exhaust system uses a heavy duty flex pipe with an internal interlock liner for added strength and durability. This kit includes key fob remotes, control module, valve motor, and all necessary wiring. It's a simple installation, requiring no cutting of any wires or interference of the automobile's electronics. This system features an electronically controlled exhaust cutout valve to quickly switch between exhaust tones at the push of a button. This cat-back exhaust system is finished off with a hi-tuck tip that is developed to give you extra clearance during extreme angle climbs or descents protecting exhaust over rough terrain. 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.