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  • Flowmaster American Thunder Axle-Back Exhaust | 2018-2021 Ford Mustang GT w/o Factory Active Performance Valves (817807)
  • Flowmaster American Thunder Axle-Back Exhaust | 2018-2021 Ford Mustang GT w/o Factory Active Performance Valves (817807)
  • Flowmaster American Thunder Axle-Back Exhaust | 2018-2021 Ford Mustang GT w/o Factory Active Performance Valves (817807)
  • Flowmaster American Thunder Axle-Back Exhaust | 2018-2021 Ford Mustang GT w/o Factory Active Performance Valves (817807)

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    Flowmaster

    Flowmaster American Thunder Axle-Back Exhaust | 2018-2021 Ford Mustang GT w/o Factory Active Performance Valves

    PART# FLO 817807
    Find a lower price!?

    ( We'll refund the difference! )

    Give us a call to get the best prices and parts for your build. Or, just call us with a cool racing story...either way we're here.

    Email - sales@maperformance.com

    Phone 1-888-627-3736



    $ 740.95   $ 824.00
    Instant Savings of 10% ($ 83.05)

    Free delivery by , to your door when ordered within hrs and mins

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    2018-2021 Ford Mustang GT American Thunder Axle-Back Exhaust by Flowmaster

    The Flowmaster American Thunder Axle-back exhaust system for the 2018-2021 Ford Mustang GT with the 5.0L engine is perfect for the person looking for an aggressive exterior sound level with all of the performance benefits that you would expect from Flowmaster. This bolt-on 409S stainless steel system features 3.00-inch mandrel-bent tubing and two Super 44 series mufflers for maximum power and exterior sound quality, but with a moderate and pleasant interior tone at cruising speeds. The system is finished off with quad 4.00-inch polished 304 stainless steel tips. This system includes all necessary parts, hardware and instructions for an easy installation. NOTE: This kit will not fit vehicles with the Active Performance Exhaust option. Note: Fits Coupes & Convertibles.

    Features

    • Quad 4.00-inch Polished 304 Stainless Steel Tips
    • Uses the Factory Hanger Locations
    • 409S Stainless Steel Construction

    Benefits

    • Dyno-Tuned for Maximum Performance
    • Moderate/Aggressive Sound
    • Easy Installation

    Applications

    • 2018-2021 Ford Mustang GT*
    • *Will not fit models with the Factory Active Performance Valves option

    What's In The Box?

    • 1 - American Thunder Axle-Back Exhaust
    • Installation Hardware & Instructions

    References

    Warranty

    • Lifetime Limited Warranty

    2018-2021 Ford Mustang GT American Thunder Axle-Back Exhaust by Flowmaster

    The Flowmaster American Thunder Axle-back exhaust system for the 2018-2021 Ford Mustang GT with the 5.0L engine is perfect for the person looking for an aggressive exterior sound level with all of the performance benefits that you would expect from Flowmaster. This bolt-on 409S stainless steel system features 3.00-inch mandrel-bent tubing and two Super 44 series mufflers for maximum power and exterior sound quality, but with a moderate and pleasant interior tone at cruising speeds. The system is finished off with quad 4.00-inch polished 304 stainless steel tips. This system includes all necessary parts, hardware and instructions for an easy installation. NOTE: This kit will not fit vehicles with the Active Performance Exhaust option. Note: Fits Coupes & Convertibles.

    Features

    • Quad 4.00-inch Polished 304 Stainless Steel Tips
    • Uses the Factory Hanger Locations
    • 409S Stainless Steel Construction

    Benefits

    • Dyno-Tuned for Maximum Performance
    • Moderate/Aggressive Sound
    • Easy Installation

    Applications

    • 2018-2021 Ford Mustang GT*
    • *Will not fit models with the Factory Active Performance Valves option

    What's In The Box?

    • 1 - American Thunder Axle-Back Exhaust
    • Installation Hardware & Instructions

    References

    Warranty

    • Lifetime Limited Warranty

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    MAP Limited Lifetime Warranty

    1.) All MAPerformance in-house fabricated parts include a Limited Lifetime Warranty for the Original Purchaser. This warranty only applies to the original purchaser and is non-transferrable. If the product fails it would need to be determined by MAPerformance that it is due to manufacturing defects in materials or workmanship.

    2.) This does not cover normal wear and tear. Improper use, modification, or abuse voids this warranty. MAPerformance will not be held responsible for additional costs due to the failure of a product (cost of sale, towing, labor, etc.). Warranty claims must be submitted to MAPerformance for review.

    3.) You must create a support ticket to acquire your return authorization number prior to returning the product.

    4.) Warranty claims will not be honored if the product was not purchased through an approved dealer.

    For warranty evaluation please create a support ticket via this form here.

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