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2018-19 Mustang Roush Active iO Exhaust Kit GT by Roush

Details   |  Description   |  Reviews
  • 422128 2018 Mustang 5.0L V8 RO
  • 422128 2018 Mustang 5.0L V8 RO
  • 422128 2018 Mustang 5.0L V8 RO
  • 422128 2018 Mustang 5.0L V8 RO
422128 2018 Mustang 5.0L V8 RO
  • 422128 2018 Mustang 5.0L V8 RO
  • 422128 2018 Mustang 5.0L V8 RO
  • 422128 2018 Mustang 5.0L V8 RO
  • 422128 2018 Mustang 5.0L V8 RO

Add the popular the active exhaust feature to your 2018-2019 S550 Mustang with Roush's Active iO Exhaust kit!

Item #RSH-422128
MPN# 422128

Everyday Low Price: $1,799.99

  Ships from supplier by Friday, October 30

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  • Uses OEM Hangers & Mounting Points
  • Direct Bolt On Installation
  • Plug & Play Application
  • No Welding Required


  • Corrosion-Resistant 304 Stainless Steel
  • Dual High Flow Mufflers
  • Quad T-304 Stainless Steel Tips
  • Full Mandrel Bending

What's in the Box

  • (1) Roush Exhaust Kit
  • (1) Exhaust Heat Shield Kit
  • (1) Exhaust Hardware Kit
  • (1) Installation Instructions

Roush Brand Image

Product Description

2018-2019 Mustang Roush Active iO Exhaust Kit
Did your 2018-2019 Mustang not come with the optional active exhaust option? Roush Performance has the solution with this 2018-2019 Mustang active iO exhaust kit. This full catback exhaust kit features the distinct Roush exhaust sound and performance while adding active exhaust to your Mustang. This kit allows you to open and close valves in your exhaust to make your exhaust quieter or louder at the push of a button.

High Quality Construction
Roush is well known for its attention to detail and quality. This Roush active exhaust is no different featuring top of the line materials and easy to install parts. This exhaust is mandrel-bent from corrosion-resistant 304 stainless steel and features T-304 stainless steel tips.

Easy Installation
Roush took into account the ease of installation and make this exhaust kit completely bolt-on using the factory hangers and mounting points which means no welding is needed! The active exhaust has been made to be a plug and play installation and includes all of the necessary wiring, modules, hardware, and instructions.

Application Note
This axle Roush Active iO exhaust kit is designed for Mustangs that were not equipped with the active exhaust option.

  • Fits 2018-2019 Mustang GT Convertible & Fastback

    ROUSH® Limited Warranty - Click Here

  • California Residents:
    WARNING: Cancer and Reproductive Harm- www.P65Warnings.ca.gov

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    Vehicle Applications

    Ford Mustang - 2018 (18) - 2019 (19)

    About This Brand

    Roush - The Art of Performance Engineering
    ROUSH Performance is the first specialty-vehicle company to combine race-proven technologies with advanced automotive engineering. The result, a unique mix of street car and race car...Is a ROUSH car. Or more specifically, a ROUSH Mustang or F-150 pickup with styling, performance, and handling characteristics derived from the racetrack and modified for street legal usage. The vehicles and components produced by ROUSH Performance are imprinted with Jack Roush's vision, passion for performance, and commitment to excellence. He personally approves the design, engineering, fit, finish and overall performance of each package, ensuring that his personal standards are met prior to production and product release. Many of these products are designed by the same engineering group that has helped Roush Racing become the winningest Ford racing team in history.

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