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Flowmaster 817457 Header-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound Canada Performance Improvements

Flowmaster 817457 Header-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound

Flowmaster

  • $1,042.88 CAD


Fits 1978 to 1988 GM A-Body and G-Body with a V8 engine. Requires the use of a inch double hump inch crossmember.

For the person who is looking for a complete Header-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. This America Thunder system delivers an aggressive interior and exterior tone and is 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. Note, requires the use of a double hump cross member.

More Flowmaster in store, even if you don't see it here! Give us a call toll free: 1-877-471-6700 or visit one of our Speed Shop locations.


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