The Bully Dog Triple Dog GT Diesel Tuner is a powerful performance enhancer for diesel engines. The tuner can improve horsepower output giving you better speed, more towing power and also enhances the fuel efficiency of your engine.

The device comes with four built-in tuner settings that offer support for everyone from highway drivers and campers with a trailer to motorists driving across town or inner city.

The tuner has an easy to use interface and allows multiple engine parameters to be displayed for monitoring performance. The unit allows customization of parameters for display so that you can choose the features that you want to monitor.

The programmer is equipped to read and erase diagnostic trouble codes so that you are alerted to any potential problems with your engine. Advanced safety features such as automatic defueling can be set by the user to prevent transmission slippage.

The product is built on the latest 4X technology from Bully Dog. The box contains the color display monitor, GT unit, connecting HDMI cable, OBD-II adapter plug, micro SD card and mount.

• The tuner is very easy to install and even novice users can set it up within 10 - 15 minutes.
• The Triple Dog GT 40420 allows you to monitor and display vital vehicle parameters using the on-screen virtual gauges. The diagnostic tool allows users to get a complete picture of what is going on with their engine.
• The tuner comes pre-loaded with four dyno-proven tune settings that add more horse power, torque and increase fuel economy of your engine.
• Easily adjustable switch lets you tow, work, climb or just cruise down the highway with the touch of a finger.
• The Diesel 40420 houses a power chip that can store up to 10 custom tune files that you can download from your local SCT Custom Tuning Dealer.
• The device is compatible with Dodge, Chevrolet, Ford and GMC diesel vehicles. The tuner can also be used for Dodge Cummins models from 2013 onwards. Please note that you would need the unlock cable for tuning additional engine types. (part# 42214)