Group 15: JB4 for Audi EA825 4.0TT C8 RS6/7, RS Q8, SQ7/8, & Urus

Price

Pricing

EUR 937

USD 1,080 · UAH 49,682

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Power gains from 70hp and 100tq to the wheels on a stock vehicle without the risks of flashing! Power gains of up to 120whp and 160wtq bring the car to life allowing 1/4 mile potential deep into the 10s.

Unlike other generic tuning devices, the JB4 includes full CANbus integration via the OBDII port for advanced tuning, safety features, and diagnostics, as well as electronic wastegate control for superior boost targeting. This is simply the best tuning box available for your Audi.

Installation is fully reversible, attaching to the TMAP sensors and OBDII port. Wirelessly Connect to your JB4: Grab our all-new JB4 PRO smartphone connection to wirelessly connect the JB4 BMW 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.