Description
Overview
The Flowmaster American Thunder Cat-back Exhaust System is engineered to transform the exhaust note and flow of the 2015-2017 Ford Mustang GT 5.0L coupe. Purpose-built for enthusiasts who want an aggressive sound level outside the car while keeping a moderate, livable tone inside the cabin, this American Thunder system delivers the deep, distinctive character that Flowmaster is known for. It is a true bolt-on upgrade that uses the factory hanger locations, making it a straightforward installation you can complete at home.
Engineered for Power and Tone
At the heart of this cat-back system is Flowmaster’s exclusive dual 3.00-inch mandrel-bent Scavenger Series X-pipe assembly, designed to maximize power and produce a deep, unique tone. The Scavenger X-pipe feeds into a pair of specially designed 60 Series performance mufflers, which are matched to 3.00-inch mandrel-bent tailpipes in a dual tailpipe configuration. Every path is smooth and mandrel-bent to promote efficient exhaust flow from the mufflers back.
The system is finished with large 4.00-inch polished stainless steel tips featuring an embossed logo, adding a premium, aggressive appearance at the rear of your Mustang GT. Flanged connections and included hardware keep the installation clean and repeatable.
Key Highlights
- Exclusive dual 3.00-inch mandrel-bent Scavenger Series X-pipe assembly for maximum power and a deep, unique tone
- Pair of specially designed 60 Series performance mufflers with 3.00-inch mandrel-bent tailpipes
- Large 4.00-inch polished stainless steel tips with embossed logo
- Aggressive sound outside the car, moderate sound inside the car
- Uses factory hanger locations and includes all necessary parts and hardware
- Emissions-legal and CARB (California) compliant (Emission Code 5)
Fitment
This American Thunder cat-back system is designed specifically for 2015-2017 Ford Mustang GT 5.0L coupes with 2WD. Please note that it does not fit Convertibles. The mufflers are included as part of the kit, with a dual tailpipe layout, silver pipe color, and flanged mount type for a factory-style fit.
Why Choose the American Thunder System
For Mustang GT owners chasing a bolder exhaust presence without an overwhelming drone at cruising speed, this Flowmaster setup strikes a balance between performance sound and daily comfort. The combination of the Scavenger Series X-pipe and 60 Series mufflers is tuned to deliver the deep, aggressive character enthusiasts expect from the American Thunder line, while the polished stainless tips give the rear a finished, high-quality look. Because it bolts to factory hanger locations and ships with all required hardware, it is an accessible upgrade you can install in your own garage. This system carries a California Proposition 65 warning.
