Hello all, I am new here so I hope that I put this in the right place. Ok, I have a 2003 chevy 1500 Z71 with the 5.3 liter. I am trying to get more mpgs, and/or more power. I have 35" BFG allterrains and I tow a 20' pontoon boat on the weekends along with runing fire calls for my fire Dept. I am looking at some headers from Summit racing for an increase, and I have also been looking at tuning chips. I dont need to do anything crazy to the trucks computer but i would like to have the ability to change the power and Mpgs. Is there a simple chip like super chips 2950. Summit Racing Part NumberSRC-2950 Do you all have any suggestions on what to use that is simple to use and not to extravagant?? Thank you all very much!!!