I have 2005 5.9L 325HP Blue 4x4 Quadcab I put in a Banks Ram Air Intake with a SuperScoop but everything else is stock. It has 93K miles. I am trying to find out what programmer to put in this to get more power/torque when hauling a 24ft trailer full of cattle but also get better fuel economy when I am just driving for the fun of it. I have seen Bully Dog, Quadzilla, and somebody mentioned the Smarty programmer today, now I am really confused! Any suggestions from the experts?