Introducing our new American Thunder® Axle-back exhaust system featuring our new W.A.V.E. Technology™ (Wireless Active Valve Exhaust™) for all 2018-2020 Ford Mustang GT 5.0L coupes and convertibles, originally equipped WITHOUT the Factory Active Performance Exhaust Option. This trick new stainless steel exhaust system has two wireless remotes that control the high-quality actuators and exhaust valves included with the specially designed mufflers incorporating Outlaw® muffler technology. When the valves are closed, you have a moderate exterior and interior tone. Want more sound? Push the remote and the valves open for an aggressive wide-open sound...it's that simple! Other features include large 3.00 in. mandrel-bent 409S stainless steel tubing for high flow and durability. The system is finished off with quad 4.00 in. polished 304 stainless steel tips for an aggressive look that demands attention. Includes all necessary parts, hardware and detailed instructions for an easy installation you can do at home. Covered by the Flowmaster® Lifetime Limited Warranty. Want even more sound? Be sure to check out our Scavenger Series® X-pipe Resonator Delete kit #817817. Notes Fits coupes and convertible models.