The Kooks green-catted X-pipe is a 2-1/2" x 2-1/2" OEM-style catted unit for 2005–2010 Ford Mustang GT applications. It must be used with Kooks headers and connects to the OEM exhaust. Offered as a direct-fit component, this X-pipe integrates Kooks header flow into the factory exhaust layout while using the supplied green catalyst configuration for the specified Mustang fitment.
Kooks 05-10 Ford Mustang GT 2 1/2in x 2 1/2in OEM Exhaust GREEN Cat X Pipe