Description
JB4 Tuner for Porsche 992 Turbo & Turbo S – Up to 120 HP & 140 lb-ft Performance Upgrade
Unlock the full performance potential of your Porsche 992 Turbo & Turbo S (2020–2024) with the JB4 Performance Tuner, the most advanced plug-and-play tuning solution available for modern turbocharged platforms. Delivering up to 120 horsepower and 140 lb-ft of torque at the wheels on a stock vehicle, the JB4 dramatically enhances acceleration, throttle response, and overall driving dynamics while maintaining factory safety systems.
Engineered with cutting-edge SENT (Single Edge Nibble Transmission) sensor technology, the JB4 is fully compatible with the latest Porsche electronics, ensuring precise and reliable tuning for next-generation vehicles. The system integrates seamlessly with your factory ECU, intelligently remapping boost, timing, and fueling to optimize performance while reducing turbo lag.
Advanced CANbus Integration & Safety
With full CANbus OBDII integration, the JB4 continuously monitors critical engine data—including boost, air/fuel ratios, ignition timing, fuel trims, and knock—allowing it to apply intelligent tuning strategies in real time. Built-in safety features include:
- Controlled boost ramp-up until optimal oil and coolant temperatures are reached
- Automatic low-boost mapping during overheating, knock, or lean conditions
- Overboost protection for engine safety
- Ethanol (E85) fuel mapping support for increased performance potential
Wireless JB4PRO Connectivity
The included JB4PRO Bluetooth adapter enables seamless wireless control via iOS and Android devices. Using the free JB4PRO app, you can:
- Switch between up to 8 performance maps for different fuel types and modification levels
- Monitor and log up to 40 engine parameters in real time
- Adjust boost-by-gear settings for optimized traction and launches
- Update firmware with free performance enhancements and new features
The adapter is housed داخل the JB4 enclosure for superior weather protection and a clean, factory-like appearance.
Performance Without Compromise
The JB4 installs quickly using a plug-and-play harness and can be removed without leaving any trace, making it ideal for leased or warranty-sensitive vehicles. It retains full compatibility with all driving modes and maintains factory-like drivability and fuel economy during normal operation.
Key Features & Benefits:
- Gains of up to 120 HP and 140 lb-ft torque at the wheels
- Improves 0-60 mph and quarter-mile performance
- Preloaded with up to 8 custom tuning maps
- Supports E85 ethanol fuel blends
- Quick plug-and-play installation, fully removable, non-VIN locked
- Reads and clears fault codes
- Logs up to 40 engine parameters in real time
- Boost-by-gear control for optimized traction
- Compatible with the free JB4PRO smartphone app
- Full CANbus integration for advanced ECU-level tuning
- Smooth, factory-like drivability across all modes
- No impact on fuel economy during normal driving
- Requires 91 octane or higher for performance gains
- Durable billet aluminum enclosure
- Designed and assembled in the USA
- 5-year warranty
Vehicle Compatibility:
- 2020–2024 Porsche 992 Turbo & Turbo S
- (2025+ models currently in development)
Why Choose JB4?
The JB4 is a true plug-and-play performance tuner that delivers ECU-level control without requiring a flash. By integrating directly with sensors and CANbus data, it safely adjusts boost, timing, AFR, and fuel trims for significant performance gains. With continuous free firmware updates, advanced safety systems, and non-VIN-locked flexibility, the JB4 remains the industry-leading solution for Porsche turbo tuning worldwide.
