Click to zoom in
Roush 421921
Give your 2015-2017 Mustang GT that ROUSH Performance Look, higher performance and race-inspired exhaust note. The 2015-2017 ROUSH Quad Tip exhaust is an axle back kit with high flow dual tip mufflers, corrosion resistant T-304 stainless steel and high flow mandrel bends. Dual wall chrome flashed tips are a perfect fit with the 2015-2017 ROUSH Mustang Rear Valance. This kit can be easily upgraded to an Active Exhaust with ROUSH Performance's Active Exhaust Module a simple bolt-on process that requires no cutting to the exhaust.This exhaust kit will only fit 2015, 2016, and 2017 Mustang GTs. This exhaust system requires the addition of the 2015-2017 Mustang ROUSH Rear Valance, which comes in two different configurations: Prepped For Backup Sensors part #421919 Not Prepped For Backup Sensors part #421894Check your local noise ordinances for legality.This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2017 | Ford | Mustang | GT |
| 2015 | Ford | Mustang | GT 50 Years Limited Edition |
| 2015-2017 | Ford | Mustang | GT Premium |
Read More
Roush 421921 Specifications
421921
RSH421921
844764005747
0
Axle Back
* Special Order Item - Ships from Manufacturer and may have a leadtime. Please contact us before ordering for leadtime.
* Note Enkei Special Order Wheels Cannot be Cancelled
customers are viewing this product
Roush 421921 Specifications
Is this item in stock?If it is purchasable it is unstock and available for shipment as soon as today.
How long will it take to get it?
Shipping to US addresses generally takes 2 to 4 business days to arrive depending on your location. We also offer Next Day Air and 2nd Day Air if you need it faster.
International shipping is subject to import duties and taxes and we usually see 4 day to 2 week ship times to most locations outside the USA.
Does this fit my vehicle?
We have fitment charts in most of our vehicle specific products. If you do not see your vehicle, please do not hesitate to ask via chat or contact form.
What is your Return Policy?
Our return policy can be found here: Return Policy
Roush 421921 - Axle Back
Roush 2015-2017 Ford Mustang 5.0L V8 Quad Tip Active-Ready Exhaust Kit (Requires 421926)
🚚 Free US Ground Shipping on Orders Over $100
2
sold in last
8
hours
Give your 2015-2017 Mustang GT that ROUSH Performance Look, higher performance and race-inspired exhaust note. The 2015-2017 ROUSH Quad Tip...
0
* Special Order Item - Ships from Manufacturer and may have a leadtime. Please contact us before ordering for leadtime.
* Note Enkei Special Order Wheels Cannot be Cancelled
Have Questions? Need help? Chat is the fastest!
-
Guaranteed Fitment
Always the correct part
-
Performance Parts Experts
Aftermarket performance parts
-
Low Low Prices
Great price on performance parts!
-
Free Shipping On Orders Over $100
To the lower 48 US States
