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  • JB4 Group 14: Audi and others B8/8.5 EA888 Gen2

    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...

    $575.00
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