Total Attitude Diesel Performance modifies diesel pickups, class 8 diesel semis, and diesel RVs for a fuel economy bases. The main focus is to remap the fuel program setup, increase air flow, and to decrease back pressure. By optimizing the system setup we are able to increase the fuel burn ratio which increases fuel economy. Most systems receive a 4-6 mile to the gallon gain. For the customers they save a great amount at the fuel pump.