This chip programer will make a big difference in your performance of your new ford truck!!!! Looking for more horses??? This is it! "The 1714 Max MicroTuner has the ability to program 2004 model F150, F250, F350 & SUVs with the 4.2L V6, 4.6L, 5.4L V8s and 6.8L V10 motors." ASKING $325.00 (paid $400 plus tax) No problems with the tuner.... Health and Finances force sale.