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Flowmaster FlowFX Axle-Back Exhaust with Black Tips (15-21 EcoBoost w/o Active Exhaust)

Item 408223-23
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Market Price $580.69 You Save 13% ($75.74)
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      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • Axle-Back Exhaust
      • Innovative, Straight-Through Muffler Design
      • 409S Stainless Steel Construction
      • Deep and Booming Sound
      • Dual-Out Rear Exit Position
      • Angled Tip Cut
      • Tip Diameter of 4.50 Inches
      • Rolled Tip Edge Style with Single-Wall Construction
      • Limited Lifetime Warranty
      • Medium Difficulty Installation
      • Designed for the 2015-2021 Ford Mustang Ecoboost without Active Exhaust


      Dyno-Tuned Exhaust System for the Trails. Enhance your Mustang's sound and power output with the Flowmaster FlowFX Axle-Back Exhaust with Black Tips. It blitzes through the scene with an innovative, straight-through muffler design, 409S stainless steel construction, and a deep and booming sound, which will put the competition on its heels in no time.

      Specifications. Specifications include a dual out rear exit position with an angled tip cut, a tip diameter of 4.50 inches, and a rolled tip edge style with single-wall construction.

      Warranty. This axle-back exhaust comes with a limited lifetime warranty which covers all defects in materials and workmanship. Issues that are the result of regular wear may not be covered, as well as discontinued products at the discretion of the manufacturer.

      Installation. Installation time takes up to 2 hours with a medium degree of difficulty depending on your level of mechanical skills.

      Application. The Flowmaster FlowFX Axle-Back Exhaust with Black Tips is designed for the 2015-2021 Ford Mustang EcoBoost without Active Exhaust.

      Fitment: 2015 2016 2017 2018 2019 2020 2021 Details

      Flowmaster 717902

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (2) Muffler Assemblies
      • (2) Exhaust Tips
      • Mounting Hardware

      Customer Reviews (100+)

        Questions & Answers

        10 More Questions

        Will It Fit My Mustang

        • EcoBoost - 15, 16, 17, 18, 19, 20, 21