Unlock serious performance from your Porsche 992 Turbo or Turbo S with the JB4 plug and play tuning module from Nforcd. Working alongside the factory ECU via full CANbus and SENT sensor integration, the JB4 remaps boost, timing and fuelling for sharper throttle response, reduced turbo lag and substantial gains. Expect up to 120hp and 140tq to the wheels on a stock car, with no ECU flash required and full compatibility with locked ECUs.
- Designed for Porsche 992 Turbo and Turbo S 2020 to 2024
- Power gains of up to 120hp and 140tq at the wheels on a stock vehicle
- Full CANbus and SENT sensor technology for precise, model-specific control
- Built-in safety strategies keep boost low until oil and coolant are up to temperature and default to a low-boost map if overheating, running lean, knock or overboost is detected
- Preloaded Porsche 992 JB4 software with up to 8 maps to suit fuel quality and bolt-on modifications
- Ethanol compatible with fuel control for mixture mapping, including E85
- JB4 PRO Bluetooth smartphone connection included for on-the-fly map changes, data logging, firmware updates and more
- View and record up to 40 live engine parameters, read and delete fault codes and control boost by gear for an ideal launch
- Runs smoothly like stock, compatible with all driving modes and fuel economy remains unchanged during normal driving
- Quick, discreet plug and play installation and not VIN-locked so it can be removed without trace or resold later
- Rugged billet aluminium enclosure, designed and assembled in the USA
- 5-year warranty
- 91 octane fuel or better is required for performance gains
Vehicle fitment
Porsche 911 992 Turbo 2020 to 2024
Porsche 911 992 Turbo S 2020 to 2024
(2025 and later models in development)
Nforcd knows the JB4 well and it has been a popular upgrade with our Porsche customers seeking a powerful, reversible tuning solution with robust safety features. Order online today, and if you would like professional installation, fitting is available at Nforcd in Warwickshire. Request a fitting quote via Sales@nforcd.com.