BULLY DOG 40420 TRIPLE DOG GT PLATINUM 1999-2003 7.3L POWERSTROKE

ALSO FITS: 1999-2015 7.3L/6.0L/6.4L/6.7L POWERSTROKE | 2001-2015 6.6L DURAMAX | 2003-2017 5.9L/6.7L CUMMINS

The GT Diesel tuner unlocks more horsepower and torque to meet the unique demands you put on your vehicle. With shift-on-the-fly tuning*, customizable gauges to track performance, and better control of defueling and regeneration, you’ll be able to summon the low-end power to take on tough jobs or improve fuel economy for long highway hauls. Space for up to 10 custom tunes helps you adjust for the many ways you put your diesel to the test. 

Duramax LML and LGH are not shift on the fly.

Now With Custom Tuning

Stores up to 10 custom tune files created by your local Bully Dog / SCT Custom Tuning Dealer. *Not available for all vehicles

WHAT YOU CAN ADJUST

• Boost

  This gauge option shows the boost. This information is used in defuel settings to reduce the boost when the limit is exceeded.

• Oil Temperature

  This gauge option shows the engine oil temperature in °F or °C. This information is used for warning level and safety defueling settings.

• Speed Limiter

  Change the top speed that the vehicle will reach before the engine automatically limits the power needed to go faster.

• Transmission Temperature

  This gauge option shows the transmission temperature. This information is used in defuel settings to help prevent heat damage to the transmission. (This gauge option is not available on all vehicles.)

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