Description
The JB4 unlocks significant performance improvements across all driving conditions:
- Up to +60 wheel horsepower / +75 hp at the crank on a stock vehicle
- Faster acceleration and improved 0–60 times
- Stronger mid-range power and throttle response
- Additional gains with bolt-ons, higher octane fuel, or ethanol blends
This results in a more responsive and capable driving experience for both daily use and heavy-duty applications.
Advanced Tuning Features
The JB4 includes a comprehensive suite of tuning and monitoring capabilities:
- Multiple performance maps for various fuel types
- E85 ethanol blend compatibility
- Boost-by-gear control for improved traction
- On-the-fly in-cabin map switching
- Built-in data logging and real-time monitoring
- Fault code reading and clearing
- Monitoring of up to 40 engine parameters
- Full CANbus integration for precise engine control
JB4 PRO Wireless Connectivity
The included JB4 PRO Bluetooth system provides full wireless control:
- Real-time data logging and performance monitoring
- Map switching and tuning adjustments via smartphone
- Firmware updates with new features and performance improvements
- Advanced diagnostics and performance analysis tools
- Integrated internal adapter for a clean, weather-protected installation
Plug & Play Installation
The JB4 is designed for quick and reversible installation:
- Plug-and-play harness with OEM-style connectors
- Installs and removes in minutes
- No ECU flashing or permanent modifications required
- Fully removable and transferable
- Retains factory drivability and safety systems
Key Features & Benefits
- Up to +75hp gains on stock Sequoia
- Multiple tuning maps and fuel compatibility
- Supports E85 ethanol blends
- Boost-by-gear traction optimization
- Built-in diagnostics and data logging
- Wireless JB4 PRO smartphone control
- No VIN lock – fully transferable
- OEM-like drivability and smooth operation
- Designed and assembled in the USA
- 5-year manufacturer warranty
Vehicle Applications
- 2023+ Toyota Sequoia – 3.4L Twin Turbo V6 i-FORCE MAX Hybrid
Installation
- Plug-and-play installation
- No ECU flashing required
- Fully reversible system
- Professional installation optional
