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Request this part Text us (833) 691-5717Roush · Part # RSH421837-BLK
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Sharper Sound. Stealth Look. Proven Roush Performance.
Awaken your 2015–2026 Mustang V6 or EcoBoost with the Roush Performance Black-Tip Axle-Back Exhaust System — a bold upgrade that delivers aggressive tone, enhanced flow, and motorsport-inspired styling. Whether you're driving a 3.7L V6 or 2.3L EcoBoost, this system amplifies your Mustang’s performance character with a rich, throaty sound and head-turning rear-end presence.
Fits 2015–2026 Mustang V6 and 2015–2025 Mustang EcoBoost Fastback models
Does not work with factory active exhaust
Dual 4" black exhaust tips with laser-etched Roush Performance logos for a sleek, aggressive finish
Straight-through muffler design for a deeper, more powerful exhaust note
Mandrel-bent 304 stainless steel for durability and optimized exhaust flow
Axle-back design — retains factory catalytic converters and emissions components
Bolt-on installation — no cutting or welding required
Designed with performance in mind, the Roush Performance Axle-Back Exhaust gives your V6 or EcoBoost Mustang a more aggressive exhaust tone that enhances your driving experience without unwanted drone. The straight-through mufflers and smooth mandrel bends provide improved flow and a sporty, race-ready growl — all while maintaining comfort inside the cabin.
With dual 4-inch black tips and precision-crafted components, this system doesn’t just sound the part — it looks it. The stealthy finish and bold Roush Performance branding give your rear fascia a clean, performance-focused appearance that stands out from stock.
Like every Roush Performance product, this axle-back system is engineered with the same attention to detail, durability, and precision that defines our performance heritage. It’s built to perform — and built to last.
Upgrade your Mustang V6 or EcoBoost with the Roush Performance Black-Tip Axle-Back Exhaust — the perfect combination of sound, style, and street-ready performance.
Shop now and unleash the tone your Mustang was meant to have.
Free U.S. standard shipping on qualifying orders $199+. Special order and made-to-order items can't be cancelled or refunded once ordered.
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Free U.S. standard shipping on qualifying orders $199+
Ships from our Buffalo, NY warehouse
750,000+ parts from 500+ brands
With 750,000+ parts available, we can probably still get it. Check the spelling, try the part number, or ask us.
Request this part Text us (833) 691-5717