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Flowmaster Cat-Back Exhaust 409S System Dual Rear Exit for 86- 93 Mustang 817213

Flowmaster Cat-Back Exhaust 409S System Dual Rear Exit for 86- 93 Mustang 817213

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 stainless steel tubing
Aggressive Sound Exterior Exhaust Tone
Includes hangers and hardware for easy installation
Dyno tuned for maximum performance

VEHICLE FITMENTS

Fits 1986 to 1993 Ford Mustang LX with a 5.0L engine also fits 1986 GT with a 5.0L engine.

Flowmaster has its roots in solving the engine noise problems encountered by California racers in the 1980s. In 1983 Flowmaster’s founder, Ray Flugger, created his first patented design of racing silencers, which dampened noise with minimal loss of power. Ray attached handles to ease carrying the square shaped race mufflers through the race pits, and the mufflers became known as the "suitcase mufflers." Today, the innovative Flowmaster mufflers are the result of years of development with top race engine builders, thousands of hours of dyno research and "real-world" on-track testing.

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