JB4 Tuner for 2023+ Dodge Hornet 1.3L & 2.0L I4 Turbo

The JB4 is the most advanced and highly featured tuning system for your Dodge Hornet with the 2.0L I4 Turbo engine. Peak power gains are up to 30 wheel horsepower and 80 wheel torque on a completely stock 2.0L Hornet on pump gas, with gains as high as 65hp to the wheels under the curve. Potential gains with bolt-on parts, higher octane, or E85 fuel mixtures are even higher!

No ECU flash needed and compatible with locked ECUs

The JB4 features a simple plug and play installation harness for easy installation & removal and includes many features not found with any other tune. Including on-the-fly in dash map switching between factory and various performance maps, boost limiting by gear for improved traction in lower gears, progressive water/methanol support, built-in data logging, built-in code reading, and much more.

Wirelessly Connect to your JB4:Our all-newJB4 PROsmartphone connection is included to wirelessly connect the JB4 tuner to your Bluetooth 4.0 compatible iOS or Android device. This option allows you to record and analyze vehicle and tuning data, change JB4 performance maps, and update JB4 firmware as we release free newer versions with updates, more powerful maps, and new features under development. Our new adapter fits fully inside the JB4 enclosure for enhanced weather protection and a more streamlined look. The JB4PRO Free app features an intuitive easy-to-use interface, help buttons, and advanced log analysis tools that can estimate the performance of your car and help identify any tuning concerns.

For more information about theJB4PRO mobile appclick here.