JB4 Performance Tuner For 1.6L Kia Forte, Soul & Hyundai Sonata, Elantra, Veloster, Tucson (V1) 316i (F31) Enhanced Turbo Sound: Hear your

Enhanced Turbo Sound: Hear your turbo spooling with a deeper

or overboosts

6mm Iridium Alloy Center Electrode

Easy Calibration for Distance to Empty: Enjoy a complimentary service to update your truck’s computer

Bmw M235i Xdrive (2015 to 2016)

JB4 Performance Tuner For 1.6L Kia Forte, Soul & Hyundai Sonata, Elantra, Veloster, Tucson (V1) 316i (F31) Enhanced Turbo Sound: Hear yourPower gains of up to 60whp and 60wtq to the wheels on a stock vehicle Now includes the JB4PRO adapter and free app! The JB4 is a plug and play Kia Hyundai 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. Unlike other tuning systems the JB4 includes a fully programmable CANbus system, upgradable firmware, and data