Flowmaster® (15-21) Mustang EcoBoost FlowFX 304SS Cat-Back Exhaust System

  • Sale
  • Regular price $639.95

Compatible: (2.3L)

2015 - 2021 Ford Mustang

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.



Introducing Flowmaster's new FlowFX® Cat-back exhaust system for the 2015-2019 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.
  • Bright 409S Stainless Steel Construction
  • Dyno-Tuned for Maximum Performance
  • Includes Scavenger Series Y-pipe
  • FlowFX Straight-through Mufflers
  • Lifetime Limited Warranty
  • Quick & Easy Installation
  • Deep Powerful Sound
  • Flowmaster Quality



    Brand Flowmaster
    CARB EO No
    Emission Code 5
    Exhaust Series Flow FX
    Exit Position Dual Out Rear
    Mount Type Uses Factory Hanger
    Muffler Inlet Diameter 3
    Muffler Outlet Diameter 3.00
    Muffler Series FlowFX
    Product Type Cat-Back Exhaust
    Single Dual Dual
    Sound Level Moderate
    Tip Cut Angle
    Tip Diameter 4.50
    Tip Finish Black Ceramic
    Tip Length 5.25
    Tip Logo Embossed
    Tip Material 304 Stainless
    Tip Shape Round
    Tip Style Single Wall
    Tubing Diameter (in) 3
    Tubing Material 409S Stainless Steel
    Part Number 717863




    Install Guide