This is a 50-state legal header c.a.r.b. eo #d-115-16. sturdy 16 gauge tubing extra thick 3/8†flanges for a leak-free seal designed as a direct fit replacement for oem exhaust manifolds will accommodate all emission control devices bolts directly to factory head pipe complete with premium gaskets and hardware fits select: 1999-2002 chevrolet silverado 8 cyl 6 l 2002 cadillac escalade 8 cyl 6 l 2001-2002 gmc sierra 8 cyl 6 l 1999-2002 gmc new sierra 8 cyl 6 l 2000-2002 chevrolet suburban 8 cyl 6 l 2000-2002 gmc yukon xl 8 cyl 6 l and more - add your vehicle to our fit widget to check
