Flowmaster American Thunder SS Axle Back 05-10 GT/ GT500

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Flowmaster American Thunder SS Axle Back 05-10 GT/ GT500

This aggressive sounding system is designed to  replace the original rear mounted mufflers located behind the rear axle.  With easy fit in mind, the system is mandrel bent for maximum  performance and includes specially selected mufflers to support the  performance image of the car. As an American Thunder system, it delivers  an aggressive exterior tone with moderate interior sound level that 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, the system includes all  necessary parts and hardware for easy installation.

American Thunder System Features:

  • Mandrel Bent 16ga 409 Stainless Tubing
  • Moderate Exterior Exhaust Tone
  • Includes Hangers and Hardware For Easy Installation
  • Axle Back System
  • Dyno Tuned for Maximum Performance
  • 4" Polished Tips
  • Flowmaster 3 year or 10 year Warranty


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