Flowmaster

Flowmaster 17421 American Thunder Axle-back Exhaust System

Compatible with 2005-2009 Ford Mustang with V6 engine. coupe and convertibles.

Part # 17421 Be the first to write a review
Estimated Ship Date: 10/31/2022
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$300.56
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$372.00
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5

Emissions

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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This American Thunder axle-back exhaust system is constructed from 16-gauge mandrel-bent aluminized steel and includes a pair of specially designed 60 Series™ performance muffler with the sound that goes hand in hand with the performance image of the Mustang. The muffler is finished off with large 4.00 in. polished stainless steel tips to fill out the exhaust cutouts in the rear valance for a muscular appearance that matches the sound. As an American Thunder® system, it delivers a moderate interior tone and exterior sound that is suited to the enthusiast who wants their performance to be heard. Like all Flowmaster® exhaust 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. Note: Fits both coupes and convertibles.

Features:

  • Includes Hangers and Hardware for an Easy Installation
  • Mandrel bent 16-gauge Aluminized Steel Tubing
  • Moderately Aggressive Exterior Exhaust Tone
  • Dyno Tuned for Maximum Performance
  • 4.00-inch Polished Stainless Steel Tip
  • Uses the Factory Hanger Locations
  • 60 Series Performance Muffler
  • Easy Installation
Brand Flowmaster
Emission Code5
Product TypeAxle-Back Exhaust
UPC700042020584
Manufacturer Part Number17421
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number17421
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Fits 2005-2009 Ford Mustang with V6 engine, coupes and convertible models.
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    Some parts are not legal for use in California or other states with similar regulations.