Roush Cat-Back Exhaust System Without Active Exhaust EcoBoost 2015-2021



  • Uses OEM Hangers
  • Mandrel Bent Tubing
  • 304 Stainless Steel
  • Aggressive Tone
MSRP $1,039.09
You save $39.10

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

Give your 2015-2021 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.

How well do you want your Mustang to look and perform? With any of the parts from Roush Performance, you can give it a major performance overhaul, and add some visual styling that will make your Mustang stand apart from the crowd. CJ Pony Parts is a Roush Top 10 Dealer and has over 100 parts from Roush Performance for many different years of Mustang!

Order this Roush 422094 Cat-Back Exhaust System for your 2015, 2016, 2017, 2018, 2019, 2020 or 2021 EcoBoost Mustang without the Factory Active Exhaust Option today from CJ Pony Parts!

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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