Description
Flowmaster’s American Thunder Axle-back exhaust system for the 2015-2023 Ford Mustang with the 2.3L Ecoboost and 3.7L engines is perfect for the person looking for a moderately aggressive sound level outside of the car while maintaining a mild sound level inside. This bolt-on emissions-legal system for cars features 3.00-inch mandrel-bent inlet pipes flowing into a pair of Super 10 Series mufflers for maximum performance. The system is constructed out of 409S stainless steel for durability, is finished off with large 4.00-inch polished stainless steel tips and is covered by our Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation. Note: The sound level of this system is quieted by the factory resonators. Check out our No Resonator X-Pipe and Y-Pipe kits #81107 and #81108, if you desire more sound from your Ecoboost or 3.7L engine.
Features:
- Large 4.00-inch Polished Stainless Steel Tips
- 16-gauge Mandrel-bent 3.00-inch Tubing
- Dyno Tuned For Maximum Performance
- Super 10 Series Performance Mufflers
- Uses the Factory Hanger Locations
- Stainless Steel Construction
- Lifetime Limited Warranty
- Flowmaster Quality
Specs:
| 2WD/4WD | 2WD |
|---|---|
| Brand | Flowmaster |
| California Proposition 65 Chemical Name | Chromium (hexavalent compounds) |
| California Proposition 65 Chemical Name | Nickel (Metallic) |
| California Proposition 65 Required | Yes |
| Catalytic Converter Included | No |
| Clearance Category | Exhaust |
| Color | Black |
| Discount Percentage | 26-50% |
| Emission Code | 5 |
| Exhaust Series | American Thunder |
| Exit Position | Dual Out Rear |
| Heat Shield | No |
| Inlet Diameter (in) | 3 |
| Material | 409 Stainless Steel |
| Mount Type | Flanged |
| Muffler Part Number | Kit Only |
| Muffler Quantity | 2 |
| Muffler Series | Super 10 Series |
| Muffler Type | Welded Baffle |
| Outlet Diameter (in) | 3 |
| Product Type | Exhaust System |
| Sale Category | Exhaust |
| Shape | Oval |
| Single Dual | Dual |
| Sound Level | Aggressive / Moderate |
| System Type | Axle-back |
| Tip Cut | Angle |
| Tip Diameter (in) | 4 |
| Tip Edge Style | Cut |
| Tip Finish | Polished |
| Tip Length (in) | 5.25 |
| Tip Logo | Embossed |
| Tip Material | Stainless Steel |
| Tip Quantity | 2 |
| Tip Shape | Round |
| Tubing Diameter (in) | 3 |
| Tubing Material | Stainless Steel |
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2023 | Ford | Mustang | EcoBoost |
| 2015-2023 | Ford | Mustang | EcoBoost Premium |
| 2015-2017 | Ford | Mustang | V6 |




