Hyundai / Kia turbo JB4 performance tuner


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    Hyundai / Kia turbo JB4 performance tuner


    Plug and play tuner that works with the factory ECU to remap boost, timing and fueling for improved performance and up to 100HP and 100 TQ gain on a stock vehicle.

    The JB4 offers a lot more performance, functionality, and safety than your average performance chip.

    Compatible with all Hyundai and Kia turbo engines.

    Tuner and spark plugs bundle includes 4 HKS MX45XL

    You MUST upgrade your spark plug in order for the JB4 to function correctly. We recommand HKS MX45XL

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