When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Tearing into an f150 5.4 03. Need to change gasket on crossover pipe. Should I know of any other major kill points that should be changed while in there? Any common performance mods to be done on the cheap while this is apart?