1 7/8" OR 2" x 3" Stainless Steel Long Tube Headers Must be used with Kooks connection pipes or exhaust system O2 extensions, gaskets, and all installation hardware included 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  Part Number w/ Connection Pipes  2260H410, 2260H610, 2260H420, 2260H620 Part Number w/o Connection Pipes 22602400, 22602600 Part Type Longtube Headers Brand KOOKS Vehicle 2016+ Camaro (6th Gen) Material Stainless Steel  *Item ships directly from vendor.