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Roush Cat-Back Exhaust (18-23 Mustang GT Fastback w/o Active Exhaust)

Item 408119
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FREE Shipping Market Price $1,494.99 You Save 13% ($195.00)

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      Video Review & Installation

      Product Information

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


      • Features Race-Inspired, Aggressive Exhaust Tones
      • Get Improved Speed and Acceleration Gains
      • Includes 2 High-Flow Mufflers
      • Features Integrated Quality Mid-Pipes and X-Pipe
      • Made From 304 Stainless Steel Materials
      • Mandrel-Bent Tubing for Consistent Airflow
      • With Quad Polished Stainless Steel Tips
      • Uses OEM Hangers and Mounting Points
      • No-Welding Installation
      • With 3-Year or 36,000-Mile Warranty
      • Manufactured in the USA
      • Fits 2018-2023 Ford Mustang Fastback GT Models Without Active Exhausts


      Get Aggressive Exhaust Sounds. This Roush Cat-Back Exhaust with Polished Tips, which is exclusively designed for AmericanMuscle, features mandrel-bent piping for better airflow. As a result, you get aggressive and deeper exhaust sounds for your Mustang GT. Moreover, this exhaust offers race-like roars and rumble outside, while still maintaining a drone-free cabin experience.

      Reliable Exhaust Performance. With this exhaust system, your Ford Mustang GT will get boosted performance and race-inspired exhaust notes. Thanks to Roush’s hours of testing and validation, this exhaust is proven to improve airflow and reduce back pressure. As a result, you get gains in horsepower and overall performance.

      Exceptional Quality. Quality will never be in question, especially when it comes to Roush’s exhaust systems. In fact, this cat-back exhaust is comprised of components that are all manufactured using high-grade, 304 stainless steel. As such, this exhaust assembly is guaranteed to be corrosion-resistant and with heavy-duty quality. The polished quad tips bring style and substance.

      No-Welding Installation. This cat-back exhaust is meant for Mustangs without active exhaust installed. The installation process is straightforward and does not need welding or complicated modifications. Mounting should be easy since the components are designed to use the OEM hangers and mounting points in the vehicle.

      Application. This Roush Cat-Back Exhaust with Polished Tips is specifically designed to fit all 2018-2023 Ford Mustang Fastback GT models without active exhausts. Roush recommends you check with your local noise ordinance levels prior to purchase.



      Roush 422093

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (2) High-Flow Mufflers
      • (1) X-Pipe
      • (2) Integrated Mid-Pipes
      • (2) Stainless Steel Tips
      • Installation Hardware

      Customer Reviews (47)

        Questions & Answers

        10 More Questions

        Will It Fit My Mustang

        • EcoBoost - 23
        • GT - 18, 19, 20, 21, 22, 23
        • Mach 1 - 23

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