i am in the hunt for a new truck i had a 2000 f150 and just sold now im looking for a 04-06 but anyways i am going to get a custum tune of some kind and a cold air intake and duals of corse and wondering were i can get sutoms tunes from and what kinda power do the top of the line tunes add to a other wise stock truck with a 5.4?

 

A cai w a gryphon will give you close to 40 hp on 93 octane performance. You cvan read the forums here and at powerhungryperfomance.com good luck