Flowmaster American Thunder Cat-Back Exhaust System (15+ GT)




  • Aggressive Flowmaster 60 Series Sound
  • Includes Two Flowmaster 60 Series Mufflers
  • 2.5" Mandrel Bent Tubing
  • 4" Polished 304 Stainless Steel Tips
  • Stainless Steel X-Pipe
  • Easy Install With Hand Tools

The Flowmaster American Thunder Cat-Back system improves exhaust flow using Flowmaster's 60 Series mufflers for that classic aggressive muscle car exhaust note your high powered Mustang deserves.


Constructed from durable 2.5" 16 gauge 409 stainless steel tubing for it's corrosion resistant properties, the Flowmaster American Thunder Catback features 60 Series mufflers with massive 4.0" diameter polished 304 stainless steel tips for impressive muscle car looks and sound. As an added bonus, the tips are embossed with the "Flowmaster" logo for true custom styling.


This Flowmaster American Thunder Series Catback exhaust system is designed to fit the 2015-2016 GT Fastback Mustangs for both great looks and great sound. Not compatible with convertibles. Reuses the stock factory clamps for installation.


- Fits 2015-2016 Ford Mustang GT (COUPE ONLY)