Overview:Flowtech Exhaust products are the perfect combination of quality and value. We are proud to offer these 1-5/8" Shorty Headers for 1982-2004 S-10 2WD trucks with LS engines. These headers are made of 304 stainless steel and are available in both natural and polished finishes.Features: For GM LS engine swaps into 1982-2004 S-10 2WD trucks 1-5/8” mandrel bent primary tubes and 2-1/2” collectors constructed of 304 stainless steel for strength and durability 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 Application:UniversalSpecs: Brand Flowtech Collector Diameter 2.50 inch Emission Code 4 Engine GM LS Header Finish Polished Header Style Shorty Primary Tube Dia. 1-5/8 inch Product Type Headers Tube Material 304 Stainless Steel Warning California Proposition 65