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Pricing
EUR 634
USD 689 / EUR 634 / UAH 32,639
Power gains of up to 104hp to the wheels on a stock Jeep Grand Wagoneer! The JB4 is the most advanced and highly featured tuning system for your Jeep Grand Wagoneer Turbo. Power gains are up to 104 wheel horsepower on a completely stock Wagoneer on pump gas.
Gains with bolt-on parts, higher octane, and larger turbos are even higher. Now includes the JB4PRO adapter and free app built in!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: Includes our all-new JB4PRO smartphone connection to wirelessly connect the JB4 via Bluetooth to your iOS or Android device.
The JB4PRO Free app allows you to change maps, record and analyze vehicle and tuning data, and update JB4 firmware as we release 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 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.