Roush · New
Roush 15-26 Ford Mustang 3.7L/2.3L V6/I4 Exhaust Kit w/ Round Tips
MPN 421837 · Store SKU rsh421837
Supplier stock checked 11/7/2026, 10:14:23 PM 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
ROUSH's Axle-Back Exhaust for the 2015-2023 I4 2.3L Ecoboost & V6 3.7L Mustangs is a great solution for anyone looking for a much more aggressive tone, and an overall better look!Ford's stock exhaust doesn't quite have the aggressive tone or sound Mustang owners crave; this is where ROUSH Performance comes in! ROUSH Performance has a specially engineered this exhaust that fits both the V6 3.7L and the I4 2.3L 2015-2023 Mustangs. Constructed from T-304 stainless steel, this exhaust is corrosion and stain resistant. Mandrel bends help to maintain high flow and reduce backpressure constantly throughout. This exhaust uses factory mounting points and will fit both V6 and I4 Mustangs without requiring any modification or welding. This exhaust system also greatly improves the sound and performance of your Mustang with single-tip high-flow chambered mufflers. Shop Roush Performance 2015-2023 Mustang 3.7L V6 and 2.3L Ecoboost ROUSH Exhaust Kit - Round Tip (304SS). Dominating performance. Aggressive style. View now! ROUSH 2015-2023 Mustang 3.7L V6 & 2.3L Ecoboost Exhaust Kit
Manufacturer fitment & guides
- 2015-2023 Ford Mustang
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
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
