Description
Aggressive Raspy Sound. Let everyone know your EcoBoost Mustang has arrived with the aggressive raspy sound of this high performance Roush exhaust. This innovative new Roush exhaust system features a hollow open 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 mandrel bent 304 stainless steel for a durable long life, the Roush axle-back exhaust system features two unique open 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.
Cut & Clamp Installation. The installation of this Axle-Back Exhaust requires cutting and removing the stock muffler assemblies, and clamping the new muffler assemblies in place. Clamps and instructions are provided.
Application. This Roush Performance Axle-Back exhaust system is designed to fit the 2015-2026 EcoBoost Mustangs without the Active Valve Exhaust.
Roush 421837
CA Residents: WARNING: Cancer and Reproductive Harm
- Aggressive Raspy Exhaust Note
- Unique Open-Chambered Muffler Design
- 304 Stainless Steel Construction
- Full Mandrel-Bent Tubing
- 4″ Round Stainless Steel Tips w/ Chrome Flashing
- Not Compatible with Active Exhaust
- Fits 2015-2026 EcoBoost 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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