Stainless Works long-tube headers for 2004–2008 Ford F-150 Triton 5.4L use 1-3/4in CNC mandrel-bent primaries with high-flow catalytic converters and 2-1/2in catted lead pipes. These headers fit 2WD and 4WD SuperCrew (5.5' or 6.5' bed) and SuperCab (6.5' bed) configurations and are designed to connect to Stainless Works true-dual exhaust systems.
Stainless Works 2004-08 F150 5.4L Headers 1-3/4in Primaries 2-1/2in High-Flow Cats