2001-02 LS1 Chevy Camaro, Firebird long tube headers with 1-3/4" primaries. Made from 304 stainless steel, for maximum corrosion resistance. All tubes are CNC mandrel bent for optimal flow, high flow catalytic converters, with 2-1/2" y-pipe. All TIG welded for strength and durability. These kits come with a lifetime warranty and proudly made in the USA.