JB1 & JB4 Performance Tuner for VWs Group 3: VW EA888 Gen3 MQB MK7 Golf 1.8TSI Audi 8V 1.8T, VW MK7 Golf Alltrack

B1 Stage 1 Group 3: The JB1 is a true user adjustable plug and play solution for all MQB based models in the VW Audi Group range. Power Gains: Starting at 35whp and 35ft lb with 91 octane with + 4.80psi boost over stock on the default setting. Engine estimates are 50bhp gained and 45ft lb.

JB4 Group 3: 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 35bhp and 40ft lb with 91 octane/95Ron with + 4.50psi boost over stock on the default setting. Up to 90bhp 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, and engine knock, boost mapping by gear for improved traction, integrated water/meth control, and much more. The unit can be used with our JB4 Bluetooth Connect kit providing for full in car engine parameter display, map switching and adjustment Support is also provided for the IS20 turbo upgrade providing for outputs past the 280hp level.

The JB1 and JB4 unit is compatible with all the below models and tested in all markets and on all year models. 

Applications
• VW MK7 Golf 1.8T US model 
• VW MK7 Golf Alltrack 

• Audi A3 1.8T US Model