Flowmaster's new Outlaw Cat-back exhaust system for the 05-10 Ford Mustang GT is perfect for the person looking for a very deep and aggressive sound level outside and inside the car with all of the performance benefits that you would expect from Flowmaster. This exhaust is not for the faint of heart! This bolt-on DOR (Dual Out Rear) emissions-legal system for cars with the 4.6L or 5.4L V8 engines features a pair of race proven Outlaw Series mufflers and dual mandrel bent 2.50 inch tailpipes for maximum performance. The system is built out of 409S stainless steel and utilizes 4.00 inch Polished Stainless Steel Flowmaster Embossed tips. This exhaust system also fits convertible and GT500 models. The exhaust system is covered by Flowmaster's Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.
Features:
- Mandrel Bent 16ga 409 Stainless Tubing
- Limited Lifetime Warranty
- Aggressive And Powerful Exterior Exhaust Tone
- Incl. Hangers and Hardware For Easy Installation
- Cat Back
- Dual Out Rear Exit
- Dyno Tuned for Maximum Performance
- True Bolt-On Installation
- Made in the USA
Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations
Installation Notes:
Fits 2005-2010 Ford Mustang GT with 4.6L and GT500 with 5.4L engines. Fits hardtops and convertibles.
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 |
GT |
2005 |
4.6L / 281 / V8 |
Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant |
| Ford |
Mustang |
GT |
2006 |
4.6L / 281 / V8 |
Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant |
| Ford |
Mustang |
GT |
2007 |
4.6L / 281 / V8 |
Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant |
| Ford |
Mustang |
GT |
2008 |
4.6L / 281 / V8 |
Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant |
| Ford |
Mustang |
GT |
2009 |
4.6L / 281 / V8 |
Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant |
| Ford |
Mustang |
GT |
2010 |
4.6L / 281 / V8 |
Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant |
| Ford |
Mustang |
Shelby GT500KR |
2008 |
5.4L / 330 / V8 |
Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant |
| Ford |
Mustang |
Shelby GT500KR |
2009 |
5.4L / 330 / V8 |
Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant |
| Ford |
Mustang |
Shelby GT500 |
2007 |
5.4L / 330 / V8 |
Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant |
| Ford |
Mustang |
Shelby GT500 |
2008 |
5.4L / 330 / V8 |
Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant |
| Ford |
Mustang |
Shelby GT500 |
2009 |
5.4L / 330 / V8 |
Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant |
| Ford |
Mustang |
Shelby GT500 |
2010 |
5.4L / 330 / V8 |
Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant |
| Ford |
Mustang |
Shelby GT |
2007 |
4.6L / 281 / V8 |
Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant |
| Ford |
Mustang |
Shelby GT |
2008 |
4.6L / 281 / V8 |
Dual; Dual Out Rear Exit; 2.5 in. Tubing; Incl. Outlaw Mufflers/4 in. Round Polished Tip; 409 Stainless Steel;50 State Legal / California Emissions Compliant |
OVERSIZE 2
