Shop with NGAMotor Sports for your Flowmaster American Thunder Cat-Back for your 2015, 2016 and 2017 Mustang EcoBoost Coupe or Convertible, part number #817750 today!
Flowmaster's American Thunder® Cat-back exhaust system for the 2015, 2016, 2017 Ford Mustang is perfect for the person looking for an aggressive exterior sound level while maintaining a moderate interior sound with all of the performance benefits that you would expect from Flowmaster. A true bolt on 409S stainless steel system for the 2015-2017 Mustang 2.3L EcoBoost engine features 2.50in mandrel bent tubing that splits into dual 2.25in pipes for maximum performance and then runs into Outlaw® Series mufflers.
The Flowmaster American Thunder Cat-Back #817750 exhaust system is manufactured in the USA and is covered by Flowmaster's Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation. Note: This system fits hardtops and convertibles.