The Flowmaster American Thunder® Axle-back exhaust system for the 2018-2023 Ford Mustang GT with the 5.0L engine is perfect for the person looking for an aggressive exterior sound level with all of the performance benefits that you would expect from Flowmaster®. This bolt-on 409S stainless steel system features 3.00-inch mandrel-bent tubing and two Super 44® series mufflers for maximum power and exterior sound quality, but with a moderate and pleasant interior tone at cruising speeds. The system is finished off with quad 4.00-inch polished 304 stainless steel tips. This system includes all necessary parts, hardware and instructions for an easy installation. NOTE: This kit will not fit vehicles with the Active Performance Exhaust option. Note: Fits Coupes & Convertibles.
Features:
- Quad 4.00-inch Polished 304 Stainless Steel Tips
- Dyno-Tuned for Maximum Performance
- Uses the Factory Hanger Locations
- 409S Stainless Steel Construction
- Moderate/Aggressive Sound
- Lifetime Limited Warranty
- Flowmaster Quality
- Easy Installation
Fits 2018-2023 Mustang GT 5.0L Coupes & Convertibles without Factory Active Performance Exhaust Valves.
Installation Notes:
Fits 2018-2023 Mustang GT 5.0L Coupes & Convertibles without Factory Active Performance Exhaust Valves.
About Flowmaster
Manufacturer of performance exhaust systems, mufflers, performance air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 5 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels. Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles.
Vehicle Fitment:
The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
| Make |
Model |
Submodel |
Years |
Engine |
Fitment Notes |
| Ford |
Mustang |
Bullitt |
2019 |
5.0L / 302 / V8 |
Fits Vehicles Without Active Performance Exhaust Option |
| Ford |
Mustang |
Bullitt |
2020 |
5.0L / 302 / V8 |
|
| Ford |
Mustang |
GT Premium |
2018 |
5.0L / 302 / V8 |
Does not fit with Active Performance Exhaust |
| Ford |
Mustang |
GT Premium |
2019 |
5.0L / 302 / V8 |
Fits Vehicles Without Active Performance Exhaust Option |
| Ford |
Mustang |
GT Premium |
2020 |
5.0L / 302 / V8 |
|
| Ford |
Mustang |
GT Premium |
2021 |
5.0L / 302 / V8 |
|
| Ford |
Mustang |
GT Premium |
2022 |
5.0L / 302 / V8 |
|
| Ford |
Mustang |
GT Premium |
2023 |
5.0L / 302 / V8 |
|
| Ford |
Mustang |
GT V8 |
2019 |
5.0L / 302 / V8 |
Fits Vehicles Without Active Performance Exhaust Option |
| Ford |
Mustang |
GT V8 |
2020 |
5.0L / 302 / V8 |
|
| Ford |
Mustang |
GT |
2018 |
5.0L / 302 / V8 |
Does not fit with Active Performance Exhaust |
| Ford |
Mustang |
GT |
2019 |
5.0L / 302 / V8 |
Fits Vehicles Without Active Performance Exhaust Option |
| Ford |
Mustang |
GT |
2020 |
5.0L / 302 / V8 |
|
| Ford |
Mustang |
GT |
2021 |
5.0L / 302 / V8 |
|
| Ford |
Mustang |
GT |
2022 |
5.0L / 302 / V8 |
|
| Ford |
Mustang |
GT |
2023 |
5.0L / 302 / V8 |
|
| Ford |
Mustang |
Mach 1 |
2022 |
5.0L / 302 / V8 |
|
| Ford |
Mustang |
Mach 1 |
2023 |
5.0L / 302 / V8 |
|
