Kia / Hyundai / Genesis Turbo JB4 Performance Tuner

Kia / Hyundai / Genesis Turbo JB4 Performance Tuner

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Kia / Hyundai JB4 Features and Benefits

• Power gains of up to 100hp and 100tq to the wheels on a stock vehicle
• Improves 0-60 times and 1/4 mile times
• Preloaded with custom JB4 tuning software and up to 8 maps for various fuel and modification levels
• Ethanol (E85) compatible tuning maps
• Able to read/delete fault codes
• View and record up to 40 different gauges/engine parameters in real-time with the JB4 app.
• Boost by gear in 1st, 2nd, and 3rd can be controlled via the JB4 app for a perfect launch
• Compatible with JB4 Mobile for smartphone logging, tuning changes, and adjustment
• The JB4 offers a lot more performance, functionality, and safety than your average performance chip
• Quick Plug & Play Installation
• CANbus OBDII integration offering unrivaled tuning features and performance
• Improved performance over non-integrated chip tunes
• Runs as smoothly as stock, this is how your vehicle should have come from the factory
• Compatible with all driving modes
• Fuel economy unchanged during normal driving
• 91 octane fuel or better required for performance gains
• Not VIN locked and can be removed without a trace and resold down the road
• Includes the rugged JB4 billet aluminum enclosure for protection
• Made in the USA
• Free USA Shipping
• 5 year warranty

• Made in the USA
• Free USA Shipping
• 5 year warranty


Compatible with all Kia and Hyundai turbo-equipped engines.


• 2018+ KIA Stinger 
2.0t, GT, GT1, GT2 3.3t
• 2011+ KIA Optima 2.0t
• 2016+ KIA Forte 1.6t
• 2014+ KIA Soul 1.6t
• 2016+ KIA Sorento 2.0t
• 2016+ KIA Sportage 2.0t

• 2011+ Hyundai Sonata 1.6t, 2.0t, 2.4t
• 2019+ Hyundai Santa Fe 2.0t, 2.4t
• 2016+ Hyundai Tucson 1.6t, 2.0t
• 2017-2021 Hyundai Elantra 1.6t, 2.0t
• 2022+ Hyundai Elantra N 2.0t
• 2012+ Hyundai Veloster 1.6t, 2.0t including Veloster N
• 2014-2016 Hyundai Genesis Coupe 2.0t

• 2018-2020 Genesis G70/G80 2.0t, 2.5t, 3.3t
• 2017+ Genesis G90 3.3t

JB4 is compatible across the entire Kia/Hyundai turbocharged lineup!