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Flowmaster Exhaust Ford Mustang V6 Coupes & Convertible (05-09) Axleback – American Thunder 17421 Online now

Original price was: $405.95.Current price is: $202.98.
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15 - 22 Mar, 2025
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Description

American Thunder® is the ‘original’ Flowmaster sound. In most cases a very aggressive sound level, American Thunder systems use various chambered mufflers to achieve the performance gains and aggressive sound that you want from your car or truck, inside and out. Available in stainless steel or economical aluminized steel, American Thunder systems are a great choice when you want to be heard.

Fitment Information

  • Ford Mustang V6 Coupes & Convertible (2005, 2006, 2007, 2008, 2009)
    • Emissions Compliance

      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.

      Specs & Features

      • 2WD 4WD: 2WD

      • Color: Black

      • Emission Code: 5

      • Exhaust Series: American Thunder

      • Exit Position: Single Rear Exit

      • Heat Shield: No

      • Inlet Diameter (in): 2.5

      • Material: Aluminized Steel

      • Muffler Part Number: Kit Only

      • Muffler Quantity: 1

      • Muffler Series: 60 Series Delta Flow

      • Outlet Diameter (in): 2.5

      • Product Type: Exhaust System

      • Single Dual: Single

      • Sound Level: Moderate

      • System Type: Axle-back

      • Tip Diameter (in): 3.5

      • Tip Quantity: 1

      • Tubing Diameter (in): 2.5

      • UPC: 700042020584

      • California Proposition 65 Chemical Name: Chromium (hexavalent compounds) Nickel (Metallic)

      • California Proposition 65 Required: Yes

      • Part Number: 17421

                • Product Description

                  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-inch 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
                            • Redline360 is an authorized Flowmaster dealer and sells only genuine Flowmaster products.

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