Flowmaster Exhaust System Kit
$999.95
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American Thunder Kit
exhaust kit, performance exhaust, header back kit, high performance, stainless exhaust, flowmaster
Exhaust System Kit
Fits 1967 to 1970 Ford Mustang, exits through factory valance cut outs, does not fit convertibles or cars with staggered shocks.
For cars with valance cutouts, does NOT fit convertible or cars with staggered shocks.
For the person who is looking for a complete Header-back dual exhaust system with an aggressive tone. 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.
Header-back 409S 67-70 Mustang
Header-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound
exhaust kit, performance exhaust, header back kit, high performance, stainless exhaust, flowmaster
Exhaust System Kit
Fits 1967 to 1970 Ford Mustang, exits through factory valance cut outs, does not fit convertibles or cars with staggered shocks.
For cars with valance cutouts, does NOT fit convertible or cars with staggered shocks.
For the person who is looking for a complete Header-back dual exhaust system with an aggressive tone. 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.
Header-back 409S 67-70 Mustang
Header-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound
Products received may vary slightly from images due to manufacturing tolerances or supply chain variables.
International Orders (Outside USA)
Please be aware your country may charge import fees of up to 20% in some cases. If delivery is refused, return shipping costs us 4x the original shipping fee, so we will charge a 50% restocking fee. By purchasing you agree to these terms.
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