Kooks catted Y-pipe for 2009–2010 Ford F-150 and Ford Raptor 5.4L 3V applications is a 2.50in x 2.50in OEM-style midsection that must be used with Kooks headers. The supplied standard race catalytic sections are noted as not for forced-induction use. Built to integrate with Kooks header systems, the Y-pipe provides a direct-fit exhaust connection for the listed pickups.
Kooks 09-10 Ford F-150/ Ford Raptor 5.4L 3V 2 1/2in x 2 1/2in OEM Cat Y Pipe Kooks HDR Req