1994-03 Chevy S10 LS swap header. 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 1-7/8" primaries and 3" slip-fit collectors. Two-wheel drive vehicles will require current performance mounts. Headers are fully TIG welded and back purged. These are TIG welded for strength and durability. These kits come with high flow cats, a lifetime warranty and proudly made in the USA.Can fit 1982-1993 with fully custom fabricated motor mounts. Otherwise it will not fit