Bully Dog B3X In-Line Performance Device – 18300B

Unlock stronger acceleration, sharper throttle response, and more midrange torque with the Bully Dog B3X In-Line Performance Tuner. Designed for select turbocharged Toyota Tacoma, Tundra, and 4Runner applications, the B3X reads live engine-sensor data and adjusts supported boost, fuel, and airflow parameters in real time. Its plug-and-play design works with factory connections without flashing or permanently rewriting the ECU.*

Key Performance Features

• Up to 30% More Power: Increase horsepower and torque on supported applications.*
• Up to 20% Potential MPG Gains: Eco-focused tuning may help improve efficiency during smooth everyday driving.*
• Real-Time Performance Optimization: Adjusts supported engine signals to improve throttle response, acceleration, and midrange power.
• Race, Sport & Eco Modes: Select the driving mode that matches your performance or efficiency goals.
• Plug-and-Play Installation: Connect, secure, and drive with no hard-part upgrades or permanent calibration changes.
• Factory-Friendly Integration: Designed to work alongside supported factory electronics and onboard diagnostics while retaining everyday drivability.
• Bluetooth App Control: Configure the B3X, adjust driving modes and warm-up settings, and receive over-the-air updates through the Tuning: Pro mobile app.
• Fully Reversible: Remove the module to return the vehicle to its original configuration.

App Connectivity & Mobile Control

The free Tuning: Pro mobile app is required to set up, control, and customize the Bully Dog B3X.

• Switch between Race, Sport, and Eco modes.
• Adjust performance and efficiency settings.
• Configure the engine warm-up timer.
• Complete device setup and configuration.
• Receive over-the-air software and feature updates.
• Connect directly through Bluetooth without a handheld programmer.

The Tuning: Pro app is available for compatible Apple and Android smartphones. Install the latest app version before setting up or operating the B3X.

Vehicle Compatibility

Popular Supported Models: Select Toyota Tacoma, Toyota Tundra, and Toyota 4Runner models, including supported i-FORCE and i-FORCE MAX applications.

Compatibility varies by model year, trim, powertrain, drivetrain, and factory sensor configuration. Use the vehicle selector above to confirm exact fitment.

Disclaimer: Horsepower, torque, throttle-response, and fuel-economy gains vary by application, vehicle condition, fuel quality, load, driving habits, environmental conditions, and selected performance mode. Confirm local emissions legality before installation or use.