SHOP

All Mustang Parts
Free Shipping on qualifying orders over $99* Details

2015-26 Mustang Roush Axle Back Exhaust Kit - Black Tips V6/EcoBoost by Roush


2015-26 Mustang Roush Axle Back Exhaust Kit  - Black Tips V6/EcoBoost
2015-26 Mustang Roush Axle Back Exhaust Kit  - Black Tips V6/EcoBoost
2015-26 Mustang Roush Axle Back Exhaust Kit  - Black Tips V6/EcoBoost
2015-26 Mustang Roush Axle Back Exhaust Kit  - Black Tips V6/EcoBoost
2015-26 Mustang Roush Axle Back Exhaust Kit  - Black Tips V6/EcoBoost
2015-26 Mustang Roush Axle Back Exhaust Kit  - Black Tips V6/EcoBoost
2015-26 Mustang Roush Axle Back Exhaust Kit  - Black Tips V6/EcoBoost
2015-26 Mustang Roush Axle Back Exhaust Kit  - Black Tips V6/EcoBoost

Improve performance and sound in your non-active exhaust 2015-2026 Mustang V6 or EcoBoost with this Roush Axle Back exhaust kit!

Item #RSH-421837-BLK
MPN# 421837-BLK

Everyday Low Price: $729.99

Available!
Ships by Monday, September 28
 This item is returnable. Details
This item is not eligible for discounts or coupon codes.

Free Shipping over $99

 Add to Cart

This product cannot be sold or shipped to the state of California. More Details
× close
LMR showroom & will call pickup service will be closed beginning Monday 9/21/26 for renovations until further notice. Need help? Contact Us.

 Benefits

  • Aggressive Sound
  • Increased Performance
  • Roush Quality

 Features

  • 304 Stainless Steel Construction
  • 4" Black Tips
  • Mandrel Bent Tubing

 What's in the Box

  • (1) LH Muffler Assembly
  • (1) RH Muffler Assembly
  • (2) Exhaust Tips
  • (4) Exhaust Clamps
  • Installation Instructions

Roush Axle Back Exhaust Kit - Black Tips - V6/EcoBoost
Unlock the full potential of your non-active exhaust-equipped 2015-2026 Mustang V6 or EcoBoost with Roush Performance's axle-back exhaust kit. Designed for a bold, aggressive sound and superior performance, this system enhances your S550 or S650's presence while significantly improving exhaust flow and efficiency. The result is more power and a quicker throttle response. Roush’s axle-back exhaust is the ultimate upgrade, offering both striking sound and exceptional function.
 
Roush Quality
Crafted from high-quality 304 stainless steel, it’s built to withstand the demands of both street and track use, ensuring durability and longevity. The unique muffler design produces a deep, throaty rumble that reflects the Mustang’s raw power. The stylish black exhaust tips, stamped with Roush on top, not only add a custom, refined look to your Mustang’s rear end but also enhance the system's acoustics. With an easy, modification-free installation that uses factory hanger locations and mounting points, this kit includes all the necessary hardware and detailed instructions for a seamless setup.


ROUSH® Limited Warranty - Click Here

  • Ford Mustang - 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
  • Engines: V6, EcoBoost
Fitment Notice
  • Fits 2015-2026 Mustang V6 and EcoBoost without active exhaust

California Residents:
Prop 65 Warning SignWARNING: Cancer and Reproductive Harm- www.P65Warnings.ca.gov

About This Brand


Roush

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.

Add to Cart