Unlock serious performance from your Kia, Hyundai or Genesis 2.5T SmartStream including N with the latest JB4 V2. This plug and play piggyback tuner integrates with the factory ECU via easy-access engine bay connections and CANbus, intelligently optimising boost, timing and fueling for stronger acceleration and reduced turbo lag. On a stock car the JB4 has delivered gains of up to 65 hp and 80 lb ft at the wheels, while retaining smooth OEM-like drivability.
- Proven power increases up to 65 hp and 80 lb ft at the wheels on a stock vehicle
- Plug and play installation with fully reversible fit and discreet placement
- Advanced CANbus integration to factor in throttle, gear, RPM, trims, AFR, ignition and more
- Built-in safety strategies including warm-up protection and auto low-boost fallback for overheat, knock, lean or overboost events
- Preloaded with up to 8 maps including stock and valet, plus options for 91/93 octane and E85 mixtures
- On-the-fly map switching via JB4 data cable or optional smartphone adapter
- Read and clear fault codes directly through the JB4
- Data log and view up to 40 live parameters with the JB4 app
- Boost-by-gear control in 1st, 2nd and 3rd for improved traction and launches
- Firmware upgradable for future features and refinements
- Runs seamlessly with all factory drive modes and keeps fuel economy unchanged during normal driving
- Not VIN-locked so it can be removed without trace and resold later
- Rugged billet aluminium enclosure, designed and assembled in the USA
- Backed by a 5 year warranty
Wireless control is available with the optional JB4 PRO Bluetooth adapter, which sits inside the enclosure for weather protection. Use the free JB4PRO app on iOS or Android to switch maps, log runs and apply firmware updates.
Vehicle fitment - 2.5 litre turbo four-cylinder
Kia
2020-2023 Stinger 2.5L Turbo 4-cylinder
2020+ Sorento 2.5L Turbo 4-cylinder
2019+ K5 2.5L Turbo 4-cylinder
Hyundai
2020+ Santa Fe 2.5L Turbo 4-cylinder
2020+ Sonata 2.5L Turbo 4-cylinder
2022+ Santa Cruz 2.5L Turbo 4-cylinder
2022+ Kona 2.5L Turbo 4-cylinder
Genesis
2020+ G70 2.5L Turbo 4-cylinder
2020+ GV70 2.5L Turbo 4-cylinder
2020+ G80 2.5L Turbo 4-cylinder
2020+ GV80 2.5L Turbo 4-cylinder
Nforcd knows the JB4 range inside out and it has been a popular upgrade with our customers seeking a fast, flexible alternative to a remap. Order your JB4 today for rapid gains and fully configurable performance. Prefer professional installation? Fitting is available at Nforcd in Warwickshire. Email Sales@nforcd.com for a tailored quote.