Quick view JB4 Group 14: Audi and others B8/8.5 EA888 Gen2 MSRP: Was: Now: $575.00 Choose Options Compare
Quick view JB4 Group 14: Audi and others B8/8.5 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... MSRP: Was: Now: $575.00 Choose Options Compare
