Description
Unlock up to 100 horsepower and 100 lb-ft of torque to the wheels on a stock vehicle with the JB4 Performance Tuner. This cutting-edge plug-and-play tuning solution is specifically designed for turbocharged Kia, Hyundai, and Genesis vehicles, offering seamless integration with your factory ECU to enhance engine performance, reduce turbo lag, and optimize boost, timing, and fueling. Equipped with a powerful 64 MHz processor, the JB4 samples engine data 1000 times per second, ensuring smooth and responsive performance.
The JB4 tuner automatically detects engine size (1.6L, 2.0L, 3.3L) and adjusts accordingly, making it compatible with a wide range of Kia, Hyundai, and Genesis turbo models. Whether you’re driving a Kia Stinger, Hyundai Sonata, or Genesis G70, installation is straightforward and hassle-free, offering a significant boost in both everyday driving and performance driving.
The JB4 is not just a power booster—it comes with advanced features like CANbus integration, customizable performance maps, fuel control, and data logging. It also provides several safety features, including boost reduction if the engine experiences overheating, knock, or lean conditions, ensuring optimal engine health. The included JB4 app for mobile devices allows real-time performance monitoring, map changes, and firmware updates, making it a versatile tuning tool for enthusiasts. With E85 compatibility, 91/93 octane fuel maps, and fuel economy unaffected during regular driving, the JB4 provides a substantial performance increase without sacrificing daily usability.
This is a plug-and-play, non-VIN locked solution that can be easily removed and reinstalled, offering the added benefit of being resellable if you ever decide to part ways with your vehicle. Manufactured and assembled in the USA, the JB4 comes with a 5-year warranty for peace of mind. Elevate your turbocharged vehicle’s performance with the Kia / Hyundai / Genesis JB4 Performance Tuner today.
Vehicle Fitment:
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KIA
- 2018+ Kia Stinger 2.0L, GT, GT1, GT2 3.3L Turbo
- 2011+ Kia Optima 2.0L Turbo
- 2015+ Kia Forte 1.6L Turbo
- 2014+ Kia Soul 1.6L Turbo
- 2016+ Kia Sorento 2.0L Turbo
- 2016+ Kia Sportage 2.0L Turbo
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HYUNDAI
- 2011+ Hyundai Sonata 1.6L & 2.0L Turbo
- 2019+ Hyundai Santa Fe 2.0L Turbo
- 2016+ Hyundai Tucson 1.6L & 2.0L Turbo
- 2017-2021 Hyundai Elantra 1.6L & 2.0L Turbo
- 2022+ Hyundai Kona N 2.0L Turbo
- 2012+ Hyundai Veloster 1.6L & 2.0L including Veloster N
- 2014-2016 Hyundai Genesis Coupe 2.0L Turbo
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GENESIS
- 2018+ Genesis G70/G80 2.0L & 3.3L Turbo
- 2017+ Genesis G90 3.3L Turbo
This JB4 Performance Tuner is compatible with the entire Kia, Hyundai, and Genesis turbocharged lineup, providing exceptional tuning potential for any of these vehicles.
