Description
Roush 2011-2014 Mustang GT Axle-Back Exhaust – Round Tips (#421127)
If you want the classic, unmistakable “Roush Sound” for your Coyote-powered S197, the Roush 2011-2014 Mustang GT Axle-Back Exhaust (#421127) is the industry standard. This system is engineered to unleash a raw, aggressive roar from the 5.0L V8, delivering a loud, throaty exhaust note that screams performance. Thanks to Roush’s specialised hollow-chamber muffler design, you get a crisp sound that is significantly louder than stock without the muffling effect of traditional fibreglass packing.
Built to last, this kit is constructed from high-grade T-304 stainless steel, ensuring it will resist rust and corrosion for the life of your vehicle. The system is finished with dual 4-inch polished round tips featuring a rolled edge and the iconic Roush logo. These tips fit perfectly within the factory rear valance, providing a high-end, polished look that matches the power under the hood.
Performance & Style Highlights:
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Race-Inspired Sound: Delivers an aggressive, hollow-chamber growl that is signature to Roush.
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Corrosion Protection: Full T-304 stainless steel construction for maximum durability.
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Optimised Flow: Mandrel-bent tubing reduces backpressure, helping maximise exhaust scavenging.
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Show-Quality Finish: Dual 4″ mirror-polished round tips with embossed branding.
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Direct Fit: Simple bolt-on installation using factory hangers; no welding or cutting required.
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