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Flowmaster FlowFX Axle-Back Dual Exhaust Kit For 15-21 Ford Mustang 2.3L 3.7L

Pricing: $585.95

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Introducing the new FlowFX® Axle-back exhaust system for 2015-2021 Ford Mustangs with a 2.3L Ecoboost, or 3.7L engine. This system is perfect for the person looking for a deep exterior sound while maintaining a moderate interior sound level with all of the performance benefits that you would expect from Flowmaster®. Features include a pair of compact round FlowFX "straight-through" performance mufflers which have a large 3.00-inch core for maximum performance and a deep sound. The mufflers are constructed from bright 409S stainless steel, utilize the factory hangers and are finished off with large 4.50-inch black ceramic coated stainless steel tips that fill out the factory exhaust cutouts. This system is designed for easy installation, includes all necessary parts, hardware, and detailed instructions. Notes: Fits Coupes and Convertibles.



  • Deep Powerful Sound
  • All Mandrel-bent Tubing
  • Quick & Easy Installation
  • Lifetime Limited Warranty
  • All Stainless Steel Construction
  • Uses the Factory Hanger Locations
  • Dyno-Tuned for Maximum Performance
  • FlowFX "Straight-through" Performance Mufflers
  • Large 4.50-inch Black Ceramic Coated Stainless Steel Tips



  • 2015-2021 Ford Mustang 2.3L Ecoboost 3.7L



  • Direct Replcement
  • Fits 2015-2021 Ford Mustang coupes & convertibles with the 2.3L Ecoboost or 3.7L engine.
  • 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


  • 717902
  • 717902
  • Flowmaster
  • New

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  • FREE Ground Shipping

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