2015-17 Mustang Roush Axle Back w/ Quad Tips Fastback EcoBoost by Roush

Details   |  Description
  • Roush Mustang Axle Back w/ Quad Tips (2015) Fastback EcoBoost 421922
  • Roush Mustang Axle Back w/ Quad Tips (2015) Fastback EcoBoost 421922
Roush Mustang Axle Back w/ Quad Tips (2015) Fastback EcoBoost 421922
  • Roush Mustang Axle Back w/ Quad Tips (2015) Fastback EcoBoost 421922
  • Roush Mustang Axle Back w/ Quad Tips (2015) Fastback EcoBoost 421922

Add an aggressive exhaust note to your stock 2015-2017 Ecoboost Mustang Coupe with the Roush, Quad Tip Axle Backs!

Item #RSH-421922
MPN# 421922

Everyday Low Price: $994.99

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  • Roush Active exhaust Module compatible
  • Full mandrel bending
  • Uses OEM hangars and mounting points
  • No welding required


  • Dual Tip Mufflers
  • 4" Chrome flashed tips
  • Corrosion resistant 304 stainless steel
  • For Mustang EcoBoost Coupe ONLY

What's in the Box

  • (1) Roush Quad Tip Axle Back Exhaust Kit

Made in the USA

Product Description

Mustang Roush Quad Tip Axle Back
Add performance, an aggressive exhaust note and that Roush Performance look to your 2015-2017 Mustang Fastback with the Roush quad tip exhaust. The Roush quad tip is an Axle Back exhaust with high flow dual tip mufflers, corrosion resistant T-304 stainless steel and high flow mandrel bends. Dual wall chrome flashed tips fit perfectly with the 2015-2017 Roush Mustang rear valance. This is an “Active Ready” Kit, you can easily upgrade this exhaust to utilize Roush Performance’s Active Exhaust Module a simple bolt-on process.

This exhaust kit has a particular configuration that is only compatible with Mustang Coupes. This quad tip exhaust is only compatible with Mustangs equipped with the 2015-2017 ROUSH Rear Valance - 421894 (Requires Premium Chassis Package) Check your local noise ordinances for legality.

- Fits 2015-2017 Mustang Fastback EcoBoost

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Vehicle Applications

Ford Mustang - 2015 (15) - 2016 (16) - 2017 (17)

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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