2010-14 Ford Raptor All tubes are CNC mandrel bent for optimal flow. Made from 304 stainless steel for maximum corrosion resistance. 3" True-Dual exhaust with dual S-Tube turbo mufflers, exits under bumper with 3-1/2" slash-cut polished tips. Performance connect to fit to Stainless Works headers. For 5.4 & 6.2L Supercab/Supercrew. These are TIG welded for strength and durability. These kits come with a lifetime warranty and proudly made in the USA.