Group 14: JB4 for Audi and others B8/8.5 EA888 Gen2

JB4 Group 14: EA888 Gen2

The JB4 is a true user adjustable plug and play solution. Power Gains: Starting at peak Gains 28whp 50ft-lb. Peak gains 40whp in certain rpm ranges.

The JB4 features CANbus connectivity for more advanced tuning, direct AFR control, advanced safety systems for boost, air/fuel ratio, fuel trims, and engine knock, boost mapping by gear for improved traction, integrated water/meth control, 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.

JB4 Features & Benefits

Up to 40whp on a stock vehicle
Improves 0-60 and quarter mile times.
Includes multiple tuning maps for different fuel types.
Quick plug and play installation.
Supports E85 ethanol blends.
Reads and deletes fault codes.
Displays and logs up to 40 engine parameters.
Boost by gear control for improved traction.
Controls exhaust flap operation on supported vehicles.
Compatible with the free JB4PRO app.
Offers better performance and safety than basic chip tunes.
Full CANbus integration.
Runs as smoothly as stock.
Compatible with all driving modes.
No impact on fuel economy during normal driving.
Requires 91 octane or better for performance gains.
Not VIN locked and fully removable.