Introducing Flowmaster's new line of FlowFX axle-back exhaust systems for 2005-2010 Ford Mustang GT, GT500, California Special, Coupes and Convertibles with 4.6L or 5.4L V8 engines. This system is perfect for the person looking for a moderately aggressive exterior and interior sound level with all of the performance benefits that you would expect from Flowmaster. Features include new bright 409S stainless steel mandrel bent 2.50 inch tubing, Flowmaster's new FlowFX straight-through mufflers with a large 3.00 inch core for maximum performance, a deep aggressive sound and is finished off with polished 4.00 inch stainless steel tips that are embossed with the Flowmaster logo. Designed for easy installation, this system includes all necessary parts, hardware and detailed instructions. Manufactured in the USA.
- Dyno-Tuned For Maximum Performance
- Bright Stainless Steel Mandrel Bent Tubing
- Moderately Aggressive Sound
- Made in the USA


System Type | Axle-back | Tip Quantity | 2 |
---|---|---|---|
Tubing Material | 409S Stainless Steel | Muffler Series | Flow FX |
Muffler Type | Absorbtion | Muffler Shape | Oval |
Muffler Material | 409S Stainless Steel | Muffler Finish | Natural |
Muffler Quantity | 2 | Muffler Inlet Diameter (in) | 2.5 |
Muffler Outlet Diameter (in) | 3 | Tip Style | Double wall |
Tip Shape | Round | Tip Material | 304 Stainless |
Tip Finish | Polished | Tip Logo | Embossed |
Tip Cut | Angle | Tip Edge Style | Cut |
Tip Diameter (in) | 4 | Tip Length (in) | 5.25 |
Heat Shield | No | Catalytic Converter Included | No |
Tubing Diameter (in) | 2.5 | Exhaust Series | Flow FX |
Single Dual | Dual | Mount Type | Uses factory hangers |
Muffler Part Number | Kit Only | Sound Level | Aggressive |
Exit Position | DOR |