GT Gas Performance Tuner & Monitor
PART NUMBER: 40417
$399.00
Original Price: $509.00
Click Add to Cart to select your vehicle to see if this product is compatible.
Transform your car, truck, or SUV with the Bully Dog GT Gas Performance Tuner and Monitor. This all-in-one gas tuner combines preloaded performance tuning, custom tune support, customizable virtual gauges, vehicle diagnostics, and user-adjustable settings to improve horsepower, torque, throttle response, towing performance, and everyday drivability on supported applications.
Key Performance Features
- Four Devices in One: Combines a performance gas tuner, monitor, gauge, and diagnostic tool.
- Gas Performance Tuner: Install preloaded, dyno-proven tuning designed to improve horsepower, torque, throttle response, towing performance, and overall drivability.
- Real-Time Monitoring: Track critical engine and powertrain data using customizable virtual gauges.
- Driving Coach: Develop more efficient driving habits that may help improve fuel economy.
- User-Adjustable Options: Manage supported settings such as tire size, axle ratio, speed limiter, shift points, shift firmness, and speedometer calibration.
- Diagnostic Trouble Code Reader: Read and clear supported DTCs and check-engine-light codes without a separate automotive scanner.
- Custom Tune Support: Load compatible custom tuning created for your vehicle and performance goals.
- Mount Included: Position the GT Gas for convenient viewing while driving.
Vehicle Compatibility
Top Supported Makes: Chevrolet, GMC, Nissan, Ford, Dodge, INFINITI, Cadillac, Jeep, Chrysler, Toyota, Ram, and Lincoln.
Compatibility, preloaded tunes, adjustable settings, monitoring parameters, and available features vary by year, make, model, engine, and vehicle calibration. Use the vehicle selector above to confirm exact fitment.
Emissions Compliance
Bully Dog tuning devices will not modify or delete vehicle emissions equipment. Bully Dog products purchased comply with the Clean Air Act. Preloaded tunes undergo extensive testing, and custom tuners are required to follow applicable Clean Air Act guidelines.
Disclaimer: Performance gains and fuel-economy results vary by application, vehicle condition, fuel quality, and driving habits. Not legal for sale or use in California on pollution-controlled vehicles.

























