Stainless Works Chevy Corvette 2005-08 Headers 1-7/8in Primaries X-Pipe with Converters2005 08 Chevy C6 Corvette headers, 1 7 8" 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 high flow catalytic converters 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