Bully Dog 40420 GT Diesel Performance Tuner and Multi-Gauge Monitor

The Bully Dog GT Diesel is an all-in-one performance solution that combines four essential tools in a single handheld device: a performance tuner, vehicle monitor, multi-gauge display, and diagnostic scanner. This versatile tuner is designed to unlock additional horsepower and torque while improving fuel economy for diesel trucks.

Compatible Applications:

• 1999-2019 Ford F-Series (250-550) with 7.3L, 6.0L, 6.4L, and 6.7L Power Stroke engines
• 2001-2016 GM with 6.6L Duramax engines
• 2003-2021 Dodge Ram (2500-5500) with 5.9L and 6.7L Cummins engines

Key Features:

• Four preloaded power levels: Stock, Tow/Economy (+50HP/+100TQ), Performance (+75HP/+125TQ), and Extreme (+90HP/+167TQ)
• Shift-on-the-fly tuning for most applications allows real-time power level adjustments
• Storage capacity for up to 10 custom tune files
• Monitors and displays over 15 vehicle parameters (PIDs) including coolant temperature, transmission temperature, and boost pressure
• Reads and clears diagnostic trouble codes (DTCs) for comprehensive vehicle diagnostics
• Patent-pending Driving Coach feature analyzes driving habits and provides recommendations to maximize fuel economy
• Customizable multi-gauge display for tracking real-time performance data
• Defueling based on configurable safety parameters to protect your engine
• DPF regeneration control (stationary and mobile) for applicable vehicles
• Adjustable parameters including tire size correction, speed limiter, axle ratio, and TPMS settings
• Universal suction cup dash mount included for easy installation and optimal viewing angle
• Free internet updates to keep your device current

Important Notes:

• Accommodates tire diameters up to 34 inches
• 2018+ Dodge Ram 6.7L Cummins models require bypass cable (part #42215, sold separately)
• 2013-2021 Dodge Cummins models may require unlock cable (part #42214, sold separately)
• PC with Windows Vista/7/8/10 required for software updates (not Mac compatible)
• This product does not modify or delete vehicle emissions systems and complies with the Clean Air Act

The Bully Dog GT Diesel tuner delivers dyno-proven performance gains whether you're towing heavy loads, hauling equipment, or simply looking to improve daily drivability and fuel economy. With comprehensive monitoring and diagnostic capabilities, you'll have complete confidence in your vehicle's performance and health.