2003-04 Cobra 1 5/8" long tube headers designed for Ford's modular 4.6L 32 valve engine. Fits both Mach1 and Cobra. These headers feature CNC mandrel bent 16 gauge 304L s/s tubing, 3/8" thick CNC laser cut flanges, designed to bolt up to Stainless Works exhaust or work with factory or aftermarket exhaust with minor fab work. Air tube fitting and O2 bungs installed.