Stainless Works 2010-15 Camaro 6.2L Headers 2in Primaries 3in Collectors High-Flow Cats2010 15 Camaro 6. 2L headers. All tubes are CNC mandrel bent for optimal flow. Made from 304 stainless steel for maximum corrosion resistance. Starting with a CNC cut 3 8" thick flanges into 2" primaries and 3" slip fit collectors with high flow metal matrix catalytic converters and 3" lead pipes to fit factory connection point. Headers are fully TIG welded and back purged. These are TIG welded for strength and durability. These kits come with a