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Flowmaster's American Thunder Cat-Back for the 99-2004 Mustang GT Mach 1/Bullitt

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Flowmaster Part #817312


1999 to 2004 Ford Mustang GT, MACH1 and Bullitt(not Cobra), with a 4.6L SOHC engine.

For the person who is looking for a complete Cat-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.

✓ Mandrel bent 16 gauge 409 stainless tubing
✓ Moderate exterior exhaust tone
✓ Includes hangers and hardware for easy installation
✓ Dyno tuned for maximum performance
✓ Premium Flowmaster quality
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