2005-10 Mustang Roush Extreme Axle Back Exhaust GT by Roush

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  • 2005-10 Mustang GT Roush Extre
  • 2005-10 Mustang GT Roush Extre
  • 2005-10 Mustang GT Roush Extre
2005-10 Mustang GT Roush Extre
  • 2005-10 Mustang GT Roush Extre
  • 2005-10 Mustang GT Roush Extre
  • 2005-10 Mustang GT Roush Extre

Increase the horsepower, torque and sound of your 2005-2010 Mustang GT with this Roush Extreme Axle Back exhaust!

Item #RSH-421915
MPN# 421915

Your Price: $510.99

Market Price:$535.99
You Save 4.66 % ($25.00)

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  • Adds Horsepower & Toque
  • Loud, Aggressive Exhaust Tone
  • Roush Quality


  • 409 Aluminized Stainless Steel
  • Dual Wall 4" Chrome Tips
  • High Flow Resonators

What's in the Box

  • (2) 4" Chrome Tips
  • (2) Axle Back Resonators W/ Hangers
  • (4) Band Clamps

Made in the USA

Product Description

Roush Extreme Axle Back Exhaust
Wake up your 2005-2010 S197 with this Roush Extreme Axle Back exhaust kit! This Axle Back kit includes the needed band clamps, straight-through style resonators and 4" dual walled chrome tips that will be sure to make your presence know both from sound and appearance! Your Mustang GT will able to breath better that ever, and will have more freed up horsepower and torque to help you get down the road in a roar.

Roush Quality
There are no questions as to why Roush is proud to put their label on this product. Incorporating materials such as 409 stainless steel in this Mustang exhaust kit, Roush has developed a product that will look great, sound amazing, and last the lifetime of your Mustang.

As you would expect, the installation of this system is quick and easy. This exhaust uses the factory hanger mountings, so you don't have to fabricate your own. This kit also features new OE-quality spherical clamps for a better fit.

- Fits 2005-2010 Ford Mustang GT

ROUSH® Limited Warranty - Click Here

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Vehicle Applications

Ford Mustang - 2005 (05) - 2006 (06) - 2007 (07) - 2008 (08) - 2009 (09) - 2010 (10)

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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