Roush Cat-Back Exhaust System Mustang Without Active Exhaust EcoBoost 2015-2023



  • Uses OEM Hangers
  • Mandrel Bent Tubing
  • 304 Stainless Steel
  • Aggressive Tone
MSRP $1,090.99
You save 12%

Roush Cat-Back Exhaust System for 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, and 2023 EcoBoost Mustangs without the Factory Active Exhaust Option.

Give your 2015-2023 EcoBoost Mustang a throaty, aggressive exhaust tone with this Roush Cat-Back Exhaust Kit. Specifically engineered for your Fastback or Convertible EcoBoost Mustang, this aftermarket exhaust system is extremely durable while ensuring a high level of corrosion resistance for a long life of excellent functionality under your pony!

Features and Benefits:
- Roush-designed high-flow mufflers
- Single inlets/outlets
- Race-Inspired, aggressive tone
- Made from corrosion-resistant high-grade 304 stainless steel
- Full mandrel-bent piping for consistent flow
- 4" Flash-chromed dual wall tips embossed with the Roush logo
- Uses OEM hangers and mounting points
- Requires no welding
- Can be used with factory Ford rear valance
- Integrated Y-pipe for increased flow
- Includes all necessary hardware
- Hassle-free installation

Constructed from 304 stainless steel, this cat-back exhaust kit 422094 features mandrel bending to ensure consistent high flow exhaust and reduced back-pressure throughout this kit. No cutting, welding, drilling or deep vehicle modifications are required during the installation process as this exhaust kit uses factory mounting points for a tight fit. Adding to the aggressive sound produced by your new exhaust kit, dual single-tip high-flow chambered mufflers and integrated mid-pipes back up your cat-back exhaust. To make sure this exhaust looks as good as it sounds, Roush includes two brand new round dual-wall exhaust tips. The tips are finished with a chrome flash then embossed with the Roush logo. Additionally, all the hardware required to complete the easy installation process is included.

*Will not fit 2019+ EcoBoost Mustangs that are equipped with the Active Exhaust Option from the factory.

California Residents: Proposition 65 Warning

Installation Difficulty


Intermediate skill is required for this installation.

Vehicle Fitment

This product will fit the following Mustang years:

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