Universal rear exit shorty headers for GM LS1, LS2, LS3, LS6, LSX engines 1-5/8†mandrel bent primary tubes and 2-1/2†collectors 3/8†thick header flanges for a leak-free seal Premium gaskets and hardware included 2-1/2†reducers with oxygen sensor bungs included Available in natural 304 stainless steel and polished 304 stainless steel
