US Diesel Parts - Bully Dog - 03-07 Dodge 5.9L

Bully Dog GT Platinum Tuner for 2003 - 2007 Dodge 5.9L Cummins Diesel.

The Bully Dog Platinum GT Tuner will dramatically improve the utility of many vehicle applications by providing an increase in horsepower and torque but also improves fuel economy through better engine tuning. Just remember, the fuel-economy comes when driving reasonably. We all know with the extra HP it can be difficult not to want to put your foot into it!