JB4 Tuner For 2013+ Audi S3 8V, VW MK7 Golf R & 2017+ Audi TTS 8S (2.0T Only)

The JB4 is a true user adjustable plug and play solution for all MQB based models in the VW Audi Group range. Power Gains: Starting at 45bhp and 45ft-lb with 91 octane/95Ron with + 4.50psi boost over stock on the default setting. Up to 100bhp and 70ft-lb with bolt-on modifications, higher octane, and boost adjustment with the optional BMS Data Cable. The JB4 features CANbus connectivity for more advanced tuning, direct AFR control, advanced safety systems for boost, air/fuel ratio, fuel trims, engine knock, boost mapping by gear for improved traction, integrated water/meth control, and much more. Purchase Downpipe also For Extra Ordinary PerformanceThe unit can be used with our JB4 Bluetooth Connect kit providing for full in-car engine parameter display, map switching, and adjustment The JB4 can also be stacked over a flash tuning allowing for fine-tuning as well as meth control with safety measures in place and full logging. Wirelessly Connect to your JB4: Grab one of our smartphon