Roush 421834 Axle Back Exhausts - Roush 2015-2017 & 2024 Ford Mustang 5.0L V8 Exhaust Kit w/ Round Tips (304SS) for a 2015-2015 Ford Mustang GT 50 Years Limited Edition, 2015-2017 Ford Mustang EcoBoost, 2015-2017 Ford Mustang EcoBoost Premium, 2015-2017 Ford Mustang GT, 2015-2017 Ford Mustang GT Premium, 2015-2017 Ford Mustang Shelby GT350, 2015-2017 Ford Mustang Shelby GT350R and 2015-2017 Ford Mustang V6.
Manufacturer: Roush
Product: Roush Axle Back Exhausts
Part Number: 421834
UPC: 844764005013
MSRP: $824.99
$793.36
Coupon Code:OGSavings
Free Shipping (Continental US)
New with manufacturer warranty
Availability:
IN STOCK
WAREHOUSE (East: 1 | Central: 2 | West: 2)
Generally ships within 1 business day.
WAREHOUSE (East: 1 | Central: 2 | West: 2)
Generally ships within 1 business day.
Have a question regarding this product? Contact us.
Fitment:
NOTES: Roush 2015-2017 & 2024 Ford Mustang 5.0L V8 Exhaust Kit w/ Round Tips (304SS)
| Years | Make | Model | Trim | ||
|---|---|---|---|---|---|
| 2015 - 2015 | Ford | Mustang | GT 50 Years Limited Edition | ||
| 2015 - 2017 | Ford | Mustang | EcoBoost | ||
| 2015 - 2017 | Ford | Mustang | EcoBoost Premium | ||
| 2015 - 2017 | Ford | Mustang | GT | ||
| 2015 - 2017 | Ford | Mustang | GT Premium | ||
| 2015 - 2017 | Ford | Mustang | Shelby GT350 | ||
| 2015 - 2017 | Ford | Mustang | Shelby GT350R | ||
| 2015 - 2017 | Ford | Mustang | V6 |
Description:
ROUSH Performance stainless steel high-performance axle back exhaust kit for 2015 5.0L V8 Ford Mustangs with round tips. 2015-2017 5.0L Mustang, Manual and Automatic Transmission, Coupe and Convertible.
Give your 2015-2017 5.0L Mustang a more aggressive sound and boost performance with a ROUSH exhaust system. 2015-2017 ROUSH Axle Back exhaust systems are constructed of corrosion resistant T-304 stainless Steel and are mandrel bent. Mandrel bending maintains a constant inner diameter with no kinks or creases. This improves exhaust flow and reduces backpressure in the system. This system includes single tip High flow mufflers that improve the stock sound of the Mustang V8 This system will produce louder deeper exhaust tone, with a healthy V8 burble at idle, building to a powerful roar at high revs. Check your local noise ordinances for legality.
Give your 2015-2017 5.0L Mustang a more aggressive sound and boost performance with a ROUSH exhaust system. 2015-2017 ROUSH Axle Back exhaust systems are constructed of corrosion resistant T-304 stainless Steel and are mandrel bent. Mandrel bending maintains a constant inner diameter with no kinks or creases. This improves exhaust flow and reduces backpressure in the system. This system includes single tip High flow mufflers that improve the stock sound of the Mustang V8 This system will produce louder deeper exhaust tone, with a healthy V8 burble at idle, building to a powerful roar at high revs. Check your local noise ordinances for legality.
Give your 2015-2017 5.0L Mustang a more aggressive sound and boost performance with a ROUSH exhaust system. 2015-2017 ROUSH Axle Back exhaust systems are constructed of corrosion resistant T-304 stainless Steel and are mandrel bent. Mandrel bending maintains a constant inner diameter with no kinks or creases. This improves exhaust flow and reduces backpressure in the system. This system includes single tip High flow mufflers that improve the stock sound of the Mustang V8 This system will produce louder deeper exhaust tone, with a healthy V8 burble at idle, building to a powerful roar at high revs. Check your local noise ordinances for legality.
Give your 2015-2017 5.0L Mustang a more aggressive sound and boost performance with a ROUSH exhaust system. 2015-2017 ROUSH Axle Back exhaust systems are constructed of corrosion resistant T-304 stainless Steel and are mandrel bent. Mandrel bending maintains a constant inner diameter with no kinks or creases. This improves exhaust flow and reduces backpressure in the system. This system includes single tip High flow mufflers that improve the stock sound of the Mustang V8 This system will produce louder deeper exhaust tone, with a healthy V8 burble at idle, building to a powerful roar at high revs. Check your local noise ordinances for legality.
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SHIPS FROM MANUFACTURER
(Last checked: 02/15/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
SHIPS FROM MANUFACTURER
(Last checked: 02/15/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
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