JB4 Group 14
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.
The unit can be used with our JB4 Bluetooth Connect kit providing for full in-car engine parameter display, map switching, and adjustment.
