Powerlifter405
fondu?
IDP has some great tunes and they woke up my 6.4 and moved the mileage from 9 up to 18mpg. They are hard to get ahold of sometimes but the tunes do work.
Good luck!
Good luck!
Because its not a 6.0.4!Man that truck sounds so awesome, why can't my 6.4 sound like that?