HPT Tuners 03-07 Cummins 5.9
Please note any modifications
The Tow tune built to enhance low-end power
The street tune is an all-out sport feeling with great power and better fuel mileage
The race tune is a max effort tune pushing the fuel system to maximum fueling.
03-04.5 trucks will need a wastegate modification or full fueling cannot be done without high egt's