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JB4 for Kia / Hyundai / Genesis 1.6T, 2.5T, 3.5T, SmartStream (Including N Line)

Sale price


Regular price $529.95
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California residents cannot purchase or use this product, as it is not legal to sell or use in the state. Before ordering, please contact us.

Product Description:

  • Increase power like never before with the Kia/Hyundai JB4 tuning kit.
  • This is a plug and play 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.
  • It features a 64mhz processor allowing sensors to be sampled 800 times per second using dedicated 10 bit digital to analog converters, ensuring smooth and powerful performance.
  • It's able to auto-detect between 2.5L and 1.6L turbo engines automatically allowing for simple plug and play installation across the entire Kia / Hyundai turbocharged lineup!


• 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 Kia/Hyundai tuning software and up to 8 maps for various fuel and modification levels
• Ethanol (E85) compatible tuning maps
• Ability 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
• Exhaust flap operation can be controlled in most JB4 applications
• 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



  • 2020+ Kia Stinger 2.5t
  • 2020+ Kia Sorento 2.5t
  • 2020+ Kia K5 1.6t and 2.5t
  • 2021+ Kia K8 3.5t
  • Compatible with all Kia and Hyundai turbo-equipped engines.
    If you don't see your exact model listed please email us.


  • 2020+ Hyundai Santa Fe 2.5t
  • 2020+ Hyundai Sonata 1.6t and 2.5t
  • 2021+ Hyundai Staria 3.5t
  • 2022+ Hyundai Santa Cruz 2.5t
  • 2021+ Hyundai Elantra SmartStream 1.6t
  • 2021+ Hyundai Elantra N 2.0t (email us map sensor photos to confirm harness type required)
  • 2022+ Hyundai Kona
  • 2022+ Hyundai Kona N 2.0t (uses previous V1 system linked below)


  • 2020+ Genesis G80 2.5t
  • 2020+ Genesis GV70 2.5t and 3.5tt
  • 2020+ Genesis GV80 2.5t and 3.5tt

    Optional JB4 Wireless Bluetooth Mobile Connect Kit:

    • By using the Burger Motorsports JB4 Mobile connect kit, you can wirelessly connect your JB4 to any Bluetooth 4.0 compatible IOS & Android device. You will need to purchase this JB4 mobile connect kit separately. With the Bluetooth kit option, you will be able to record, analyze and tune your vehicle. With the updated BMS wireless mobile connect kit, Burger Motorsports now offers greater access to tuning data, performance maps, and new JB4 firmware as new releases are made available. In order to use the Bluetooth connection kit, you need a BMS app for iOS or Android. 


      Installation Guide