Ok so I bought a 04 fx4 f150 it had 125000 miles on it I bought the troyer performance kitt stage 2 comes with tuner fans coldair intake and mbrp cat back and under drive pulleys I've changed the plugs and its been in the shop and they changed the cam fazers and chain and sylinoid just bought some new rims n tires well it looks great but this thing just Boggs when I stomp on it.wth is going on?any info would b greatly appreciated thank Ray..ohh so far befor I got the custom tune from troyer it got beat by a new dodge and a new f150 both stock..now u see why I'm upset about it ugg thank Ray