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    FS JB4 with BT, fuel wires, and EWG wires

    JB4 piggyback tuner for Kia/Hyundai/Genesis V1 (1.6T, 2.0T and 3.3T engines) Includes PNP fuel wires (with those you don’t have to tap your factory O2 sensor harness) and EWG wires (these are add ons) Bluetooth adapter included (see live data and make changes with the JB4 app) This Kia JB4 V1...


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