




🚀 Elevate your F-150’s roar and style—because average just won’t cut it.
The ROUSH 421711 Cat-Back Exhaust system is engineered for 2011-2014 F-150 5.0L, 6.2L, and 3.5L models, featuring 3" mandrel-bent stainless steel piping and a resonator-deleted muffler for enhanced airflow, durability, and the signature aggressive ROUSH sound. Its polished components and side-exit design deliver both performance and OEM-inspired aesthetics, making it a must-have upgrade for serious F-150 enthusiasts.
| Brand | Roush |
| Item dimensions L x W x H | 62 x 12 x 17 inches |
| Vehicle Service Type | Truck |
| Inlet Connection Size | 3 Inches |
| Outlet Connection Size | 3 Inches |
| Manufacturer | ROUSH |
| OEM Part Number | 421711 |
| Item Weight | 5 pounds |
| Product Dimensions | 62 x 12 x 17 inches |
| Item model number | 421711 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 421711 |
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