Exhaust› Exhaust Pipes, Systems and Components
Roush
Roush 2015 Mustang V6 / EcoBoost Black Tip Axle Back Exhaust
SKU: R00I 421837-BLK
Easy — 1–2 hours
Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Roush |
| Part Number | R00I 421837-BLK |
Videos
2015-2023 Mustang V6/EcoBoost Roush Axle-Back Exhaust Stainless Steel Installation
2015 ROUSH V6 Axle-back Mustang Exhaust
2015-2017 Mustang V6 & 2015-2023 Mustang EcoBoost Roush Axle-Back Exhaust Installation
2015-2017 Mustang Roush Exhaust Sound Clip Axle-Back (EcoBoost) Review & Install
Roush axle-backs vs stock mufflers
Hear the ROAR of This Roush Axle-Back Exhaust for Non-Active 2024+ Mustangs!
We Put Roush Axle Back Exhaust on a Ecoboost Mustang!
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy