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Hyundai / Kia turbo JB4 performance tuner640.00$USD – 780.00$USD
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