This easy-to-use unit maximizes performance from your truck as it provides four key functions – while of course it will boost horsepower/torque, the Bully Dog GT Platinum diesel will display temperature and pressure data, troubleshooting and scan fault codes, and even performance data. The Bully Dog tuner and programmer is one of the top names in the world of diesel performance, and the Bully Dog GT Platinum Diesel is the key to unlock peak performance from Cummins, Duramax and Power Stroke diesel engines.

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Bully dog tuner