This Flowmaster Outlaw Axle-back exhaust system is custom designed for all 2015-17 Ford Mustang GT coupes and convertibles with the 5.0L engine. The system features all stainless steel mandrel bent 3.00-inch tubing leading into a pair of race-proven Outlaw series mufflers, for an aggressive exterior sound with a noticeable interior sound level. The system finishes with a pair of large 4.00-inch black ceramic coated tips for an aggressive look that goes hand in hand with the attitude projected by the Outlaw mufflers. This system includes all the necessary parts, hardware, and instructions needed for an easy installation and is covered by our Lifetime Limited Warranty. Note: This system is for not for vehicles equipped with Active Exhaust valves.Exhaust Type: Axle-BackExit Position: Dual RearInlet Inside Diameter: 3.000 in.Material: 409S Stainless SteelTail Pipe Diameter: 3.000 in.Tip Diameter: 4.000 in.Tubing Diameter: 3.000 in.WARNING CA Proposition 65: YesWARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov