Seller notes

Manufacturer: Roush Performance Part Number: 421926 Condition: New Product Description: Convert your ROUSH Quad Tip exhaust to a full Active exhaust and take control of your Exhaust note. Our Active Exhaust upgrade kit makes any ROUSH passive quad-tip exhaust into an active exhaust that allows you to ?tune? your exhaust note using our iOS application for virtually infinite sound possibilities. The system utilizes an easily installed valve system that adjusts the flow of the exhaust, thereby adju...

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