2005-08 Chevy C6 Corvette headers, 2″ Primaries. All tubes are CNC mandrel bent for optimal flow. Made from 304 stainless steel for maximum corrosion resistance. 3/8″ thick CNC laser cut flanges. Headers flow into off-road leads into 3″ x-pipe and center section. Long tube design makes great power and fits undercarriage perfectly. They come with O2 extensions, Stainless steel clamps, also comes with oil cooler lines, compression fittings, zip ties, cable clamps, etc. Fits factory 2.5″ dia. Axle-back connection point. Mill finish, All TIG welded for strength and durability. These kits come with a lifetime warranty and proudly made in the USA.