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Flowmaster FlowFX Cat-Back Dual Exhaust For 15-21 Ford Mustang 2.3L Ecoboost

Pricing: $756.95

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Introducing Flowmaster's new FlowFX® Cat-back exhaust system for the 2015-2021 Ford Mustang with 2.3L Ecoboost engine. This system is perfect for the person looking for a deep powerful exterior sound while maintaining a moderate interior sound level with all of the performance benefits that you would expect from Flowmaster®. Features include 2.50-inch mandrel-bent stainless steel tubing flowing into a Scavenger® Series Y-pipe that transitions into dual 3.00-inch tubing flowing into our new compact round FlowFX "straight-through" mufflers for a deep powerful and sound maximum performance. The dual 3.00-inch tailpipes utilize the factory hanger locations and are finished off with large 4.50-inch black ceramic coated stainless tips that fill out and compliment the factory cutouts. Designed for an easy installation this system includes all necessary parts, hardware, and detailed instructions. Note: Fits Coupes and Convertibles. Requires cutting factory exhaust pipes.



  • Flowmaster Quality
  • Mandrel-bent Tubing
  • Deep Powerful Sound
  • Quick & Easy Installation
  • Lifetime Limited Warranty
  • Includes Scavenger Series Y-pipe
  • FlowFX Straight-through Mufflers
  • Uses the Factory Hanger Locations
  • Dyno-Tuned for Maximum Performance
  • Bright 409S Stainless Steel Construction



  • 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


  • 717863
  • 717863
  • Flowmaster
  • New

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  • Item Requires Shipping
  • FREE Ground Shipping

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