The Flowmaster Outlaw® Cat-back exhaust system for the 2018-2023 Ford Mustang GT 5.0L is perfect for the person looking for a very aggressive exhaust tone inside and outside the vehicle, with all of the performance benefits that you would expect from Flowmaster®. This easy to bolt-on emissions-legal system features dual 3.00-inch stainless steel mandrel-bent tubing and our exclusive Scavenger® Series X-pipe for a deep unique tone and maximum power. Other features include a pair of our race-proven Outlaw Series mufflers finished off with quad 4.00-inch carbon fiber tips for a modern look. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, this system includes all necessary parts, hardware and installation instructions. Notes: This system does not fit models with the Active Performance Exhaust option. Vehicles with the Factory Active Performance Exhaust option will use system #817800.. Fits 2018-2023 Mustang GT 5.0L Coupes & Convertibles without Factory Active Performance Exhaust Valves. 3.00-inch with Carbon Fiber Tips - Aggressive sound. Fits 2018-2023 Mustang GT 5.0L Coupes & Convertibles without Factory Active Performance Exhaust Valves.. Flowmaster 18-23 Mustang 5.0L 3in. Outlaw Cat-Back Exhaust System (No Valves). Not For Vehicles With Active Exhaust Valves. Flowmaster Outlaw Cat-back Exhaust System. Very Aggressive Interior & Exterior Sound. Our Exclusive Scavenger Series X-Pipe. 1823 MUSTANG 50L CB OTL 3 NO VALVES. Dyno-Tuned for Maximum Performance. Full Stainless Steel Construction. Quad 4.00-inch Carbon Fiber Tips. Lifetime Limited Warranty. SYS 18-23 MUSTANG 5.. Flowmaster Quality. SYS 18-23 MU

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