1996-2004 Ford Mustang Cobra/Mach 1 1 5/8" x 2 1/2" Header 4.6L 1 5/8" x 2 1/2" Stainless Steel Long Tube Headers Must be used with Kooks X-Pipe O2 extensions, gaskets, and all installation hardware included EGR included but not pictured These products are NOT legal for sale, installation, or use on a licensed vehicle in the state of California, and they do NOT meet CARB compliance Specs: SKU 11222000 Year Range 1996-2004 Engine Type Ford 4V 4.6L Tube Size 1.625 Weight 40 lbs Vehicle Fits: 1996 FORD MUSTANG COBRA V8 4.6 1997 FORD MUSTANG COBRA V8 4.6 1998 FORD MUSTANG COBRA V8 4.6 1999 FORD MUSTANG COBRA V8 4.6 2001 FORD MUSTANG COBRA V8 4.6 2003 FORD MUSTANG COBRA V8 4.6 2003 FORD MUSTANG Mach 1 V8 4.6 2004 FORD MUSTANG COBRA V8 4.6 2004 FORD MUSTANG Mach 1 V8 4.6