Kooks Custom Headers - 1993- 2002 Camaro and Firebird - 3" Offroad Y-pipe to OE connection with Hi-flo cats Kooks' 1998-2002 5.7L LS-1 headers are made from 304 Stainless Steel material enabling Kooks' to offer a life time guarantee against rust or cracking. Kooks offers complete systems which include 1 3/4", 1 3/4" stepped to 1 7/8", 1 7/8" and 1 7/8" stepped to 2" with any of their many custom Catted or Off-Road Y-Pipes. Also a 2" header is avaliable for the new LSX low-deck based block. These headers are available with or without Air and EGR fittings. 02 Extensions required.