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Power gains of up to 80whp and 80wtq to the wheels on a stock vehicle

Now includes the JB4PRO adapter and free app! The JB4 is a plug and play Kia / Hyundai / Genesis tuner that plugs into easy to access sensors in the engine bay and works with your factory ECU tuning to remap your boost, timing, and fueling for optimal performance and reduced turbo lag.

Kia / Hyundai / Genesis 2.0L Turbo JB4 Performance Tuner (V1)

$599.00Price
Quantity
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