40420 - BullyDog GT Diesel Performance Tuner and Monitor

Direct Replacement BULLYDOG - Direct Replacement

Part Notes : GT DIESEL

Ready to Ship Std Pack : 1
$ 412 .37

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The Triple Dog GT is a "Gauge Tuner". The Triple Dog GT is an all in one chip/downloader and monitor in a compact electronic device. Despite all the features contained in the Triple Dog GT it is very easy to install. Installation simply involves plugging the product into the vehicle diagnostic port under the driver side dash and performing a download to the vehicle ECU. The Triple Dog Gauge Tuner is designed to re-tune your vehicle, monitor performance, display gauge readouts, and help with diagnostic trouble shooting. The GT dramatically improves overall performance of various types of vehicles by increasing horsepower, torque, and driveability. The Triple Dog GT is very versatile and works on most late model diesel pickups.

New to the GT and the Bully Dog product feature line up is the all new patent pending Driving Coach feature. According to outside research studies, drivers can save up to 37% on their monthly fuel bill simply by adopting better driving habits. The Driving Coach feature shows people specifically where their current losses are coming from so they can make adjustments to correct their inefficiencies. It provides audio and visual feedback to instruct a driver into better driving habits, read more about the driving coach feature below.


  • Added horsepower and torque
  • Improved fuel economy
  • Safety Defueling (automatically reduces power output when temperatures reach user set levels)(warning only on 2011-2012 Duramax)
  • Switch On-the-fly power level adjustment (except on 2011-2012 Duramax)
  • Four different power levels to choose from
  • Easy installation (20-40 minutes)
  • Free internet updates
  • Monitor and display vehicle parameters
  • Sleek compact all-in-one design 2.25" H x 3.5" W x 0.75" D
  • Full Color display with multiple color themes
  • User set daytime and nighttime driving modes
  • Display current gear on vehicles with auto trans.
  • Vehicle specific download features
  • Manually initiate DPF cleaning cycle on Particulate Filter equipped 2007.5 GM and Dodge diesel trucks
  • Read and Erase Diagnostic Trouble Codes (DTCs)
  • Display instant fuel economy and trip fuel economy
  • Exclusive Driving Coach feature, Patent Pending

The Driving Coach, Patent Pending Feature :

The Driving Coach will help to educate you on how to drive more efficiently. It coaches you by delivering instant feedback to guide you into using better driving habits with real time visual and audio feedback. Wonder how efficient you drove on specific trip? The Driving Coach can give you a "grade" that you can use to gauge improvements.

GT Mounting Options:

The GT comes with a custom windshield mount. In addition the GT mounting socket on the back of the unit is a universal T-socket style mount. This T-socket will accommodate almost any off the shelve mounting style. Various mounting styles can be found at any major electronics retailer.

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Brand Name BULLYDOGWeight 0.0000LB
New vs. Reman NewWarranty 12 Months

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Cross References

Competitor PartNoCompetitor NameInterChange TypeNotes


BULLYDOGDirect Replacement


MISC BRANDDirect Replacement