JB4 Tuner for 2020+ Kia, Hyundai, Genesis 2.5T SmartStream including N (V2) golf mk7 Simply install the JB4 as

Simply install the JB4 as your first and only modification and enjoy an entirely new fast

5-year warranty

Perfectly fits 2009-2015 Chevrolet Silverado and GMC Sierra models with the 6

2 Series F22/F23 (2014-2016): M235i

It allows for factory integration with the ECU for multiport fuel injection

JB4 Tuner for 2020+ Kia, Hyundai, Genesis 2.5T SmartStream including N (V2) golf mk7 Simply install the JB4 asPower gains of up to 65hp and 80tq to the wheels on a stock vehicle 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. Unlike other tuning systems the JB4 includes a fully programmable CANbus system, upgradable firmware, and data logging capability. CANbus allows the