2006-2009 Chevy Trailblazer/GMC Envoy/Buick Rainer/ Oldsmobile Bravada/Isuzu Acender Stainless Steel Header and Off Road Connection Pipe 1 5/8" x OEM Stainless Steel Long Tube Headers Includes Kooks Off Road connection pipe Off Road Connection Pipes do NOT contain catalytic converters O2 extensions, gaskets, and all installation hardware included OEM outlet for use with stock exhaust 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