This Kooks catted Y-pipe is specified for 1998–2002 F-body applications with the LS1 5.7L engine and connects to OEM points. The 3" x 2-3/4" GREEN-catted stainless Y-pipe is intended for use with Kooks headers and provides a dedicated midsection to manage flow and emissions in race-standard configurations. It’s sold to fit existing Kooks header systems and OEM connections.
Kooks 98-02 F Body LS1 5.7L 3in GREEN Cat SS Y-Pipe SS (To OEM Conn.) Kooks HDR Req