Exhaust› Exhaust Pipes, Systems and Components
Roush Performance
4-Inch Cat-Back Exhaust System
SKU: 421610
Moderate — 2–4 hours
Description
This system features a high-flow, 3-inch diameter, 409 stainless steel construction for durability and optimal airflow. It includes a performance-flow muffler and dual, rolled-edge 304 chrome tips with the Roush logo. The exhaust system uses factory mount locations for straightforward installation, which is estimated to take approximately 1 hour.
Fitment
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Available on iOS & Android
Specifications
| Brand | Roush Performance |
| Part Number | 421610 |
| Category | Exhaust |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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