2009-18 Dodge Ram 5.7L Quad/Crew truck 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 1-3/4″ diameter primaries with D-shaped ports, and 3″ off-road leads with Y-pipe. Designed 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 lifetime warranty and proudly made in the USA.