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Showing 25–28 of 28 results

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SKU
Product
Price
  • Flowmaster American Thunder Axle-back Exhaust System
    SKU: 817749
    • Aggressive yet balanced sound from Super 44 Series mufflers — deep and powerful outside, comfortable inside
    • Fits 2015-2017 Ford Mustang GT 5.0L, both coupes and convertibles
    • Durable 409 stainless steel construction with large 4.00-inch polished stainless tips and embossed logo
    • Bolt-on axle-back design includes all parts and hardware for an easy fit
    • CARB compliant and emissions-legal, backed by the Flowmaster Lifetime Limited Warranty
  • Flowmaster Outlaw Axle-back Exhaust System
    SKU: 817732
    • Race-proven Outlaw mufflers deliver an aggressive exterior sound with a moderate interior tone for daily driving
    • Full 3.00-inch mandrel-bent tubing and dual tailpipes maximize flow and performance
    • Bolts to factory hanger locations for a hassle-free at-home installation with no fabrication
    • Large 4.00-inch polished stainless steel tips with embossed logo add serious visual impact
    • CARB (California) compliant and purpose-built for 2015-2017 Mustang GT 5.0L coupes and convertibles
  • Flowmaster American Thunder Axle-back Exhaust System
    SKU: 817743
    • Aggressive exterior tone with a moderate interior sound level—louder presence without excessive cabin drone
    • CARB (California) compliant and emissions-legal for confident street use
    • Bolt-on install using factory hanger locations, with all hardware and instructions included
    • Mandrel-bent stainless steel tubing and specially tuned resonator/mufflers for smooth flow and a deep tone
    • Finished with large 4.00-inch polished stainless steel tips and an embossed logo
    • Backed by Flowmaster’s Lifetime Limited Warranty
  • Flowmaster American Thunder Axle-back Exhaust System
    SKU: 817748
    • Delivers a moderately aggressive exterior tone while keeping the cabin sound mild — ideal for daily-driven Mustangs
    • Dual Super 10 Series mufflers with 3.00-inch mandrel-bent inlet pipes for maximum flow and performance
    • Durable 409S stainless steel construction finished with polished 4.00-inch stainless tips with embossed logo
    • CARB-compliant and emissions-legal, so you can upgrade with confidence
    • True bolt-on install with all necessary parts and hardware included, backed by Flowmaster’s Lifetime Limited Warranty
    • Fits 2015-2023 Ford Mustang 2.3L EcoBoost and 3.7L engines in 2WD

Showing 25–28 of 28 results