Description
Aggressive Muscle Car Sound. Let your engine howl with a Roush Axle-Back Exhaust. This innovative new Roush exhaust system features a hollow chamber muffler that results in increased air flow, and a unique sound, with no in-cabin “boom” normally found with performance exhaust at cruising speeds.
Quality Roush Construction. Constructed from 409 stainless steel for a durable long life, the Roush axle-back exhaust system features two unique chambered mufflers with 304 stainless steel 4″ tips. The 4″ tips are finished with a new chrome flashing process that is resistant to discoloration due to exhaust heat.
Application. This Roush Performance Axle-Back exhaust system will fit the 2011-2014 GT & 2011-2012 GT500 Mustangs with either the factory GT rear valance or the Roush rear valance.
Roush 421127
CA Residents: WARNING: Cancer and Reproductive Harm
- Aggressive Exhaust Sound
- Unique Open-Chambered Muffler Design
- 409 Stainless Steel Tubing
- 304 Stainless Steel Tips w/ Chrome Flashing
- Fits 2011-2014 GT & 11-12 GT500 Mustangs
| Brand | Roush |
| Exhaust System Type | Axle-Back System |
| Exhaust System Material | Stainless Steel |
| Exhaust System Tip Finish | Chrome, Polished |
| Exhaust System Tubing Diameter | 2.50 Inch |
| Exhaust Loudness | Aggressive |
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