Roush · New
Roush 2018-2023 Ford Mustang 5.0L V8 Active Exhaust Kit
MPN 422100 · Store SKU rsh422100
Supplier stock checked 11/7/2026, 9:31:37 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Take control of your Mustang's exhaust note, and enjoy that V8 rumble any way you desire. With dual high-flow mufflers, corrosion-resistant T-304 stainless steel and high-flow mandrel bends, our patented ROUSH Active Exhaust system uses electronically controlled valves to control your exhaust note and make your Mustang stand out from the crowd. The included console-mounted selector switch has a brushed aluminum finish, and seamlessly switches between four different preset and custom modes. Our Active Exhaust application for iOS allows you to create your own sound profile for custom mode. Customized sound. ROUSH 5.0L V8 GT Active Exhaust Kit for the 2018-2021 Mustang features 4 exhaust systems & options to custom tune your own sound with an iOS app. Ships free. 2018 Mustang 5.0L V8 ROUSH Active Exhaust Kit
Manufacturer fitment & guides
Check 422100 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- California Proposition 65: Y
