Exhaust
2018-2026 Roush Mustang 5.0L GT Axle-Back Exhaust Kit
Roush part # 422097
$799.99
Roush retail price · part only
Installed at our shop
est. $949.99
Part $799.99 + about 1 hr labor at $150/hr ($150.00).
Estimate only — shop supplies and sales tax not included. We confirm the final installed price for your exact vehicle before any work.
Fits: 2018–2026 Mustang
MustangInstalled at our East Bridgewater shop, or shipped anywhere in the US. Prefer to talk? 508-715-3554
- Genuine ROUSH Performance part, from an authorized Gold Dealer
- Installed by Ford specialists at our East Bridgewater shop
- Roush retail price. Installed price estimated up front, confirmed before work
Prices and availability subject to change. Prices updated October 2, 2026.
Details & specs
Give your 2018-2026 5.0L Mustang GT an aggressive race-inspired sound and powerful looks, and boost performance with this Roush Performance Axle-Back Exhaust System.
This 2018-2026 Roush Performance Axle-Back Exhaust System is constructed of corrosion-resistant T-304 stainless steel, and is mandrel-bent for high-performing airflow. Thanks to hours of research and development, testing, and validation, this system improves flow and reduces back pressure.
Along with quad polished T-304 stainless steel tips, this system includes dual high-flow mufflers that improve the stock sound, performance, and flow characteristics of the Mustang's V8 powerhouse.
Product Highlights for 2018-2026 Roush Mustang 5.0L GT Axle-Back Exhaust Kit:
- Only fits Quad tip valances
- 2018-2026 Mustang Axle-Back Exhaust Kit
- NOTE: only fits 2025 GT Premium without active
- Aggressive race-inspired sound, looks, and performance
- Forged from corrosion resistant T-304 stainless steel
- Improves flow and reduces back pressure with mandrel-bent tubing
- Kit includes two high-flow mufflers and quad 3.5" polished stainless steel tips
- Roush 90-day parts Warranty included
