Description
JB4 Performance Tuner for 2016+ Infiniti Q50/Q60 VR30 3.0L Twin Turbo
Unlock the full potential of your 2016+ Infiniti Q50 or Q60 VR30 3.0L Twin Turbo with the JB4 Performance Tuner, delivering up to 100 horsepower and 120 lb-ft of torque at the wheels on a stock vehicle. Designed for enthusiasts seeking plug & play performance, the JB4 works seamlessly with your factory ECU to optimize boost, timing, and fueling for maximum power, reduced turbo lag, and smooth power delivery.
Installation is quick, discrete, and fully reversible, connecting to just two easily accessible engine sensors. Unlike flash remaps, the JB4 does not permanently modify your ECU; the car operates as stock when desired, with no compromise to fuel economy or driving modes.
Featuring advanced CANbus functionality, the JB4 monitors and incorporates critical engine data in real time, including throttle position, timing advance, AFR, fuel trims, pedal position, knock detection, gear, and more. This allows unparalleled power gains with smooth and safe delivery compared to basic chip tuners.
The JB4 includes multiple tuning maps for 91/93 octane, factory tuning, E85 blends, and unleaded race gas. Additional features include boost-by-gear control, fault code reading/deletion, and full water/methanol tuning support when paired with compatible systems.
The JB4PRO adapter and free smartphone app are included, offering wireless connectivity for iOS and Android devices to log data, adjust maps, and update firmware with ongoing free updates and enhancements.
This tuner is CARB approved under Executive Order D-744-6 for all 2016+ Infiniti Q50/Q60 VR30 3.0T variants.
Key Features & Benefits
- Up to 100hp and 120lb-ft torque gains on stock Infiniti VR30 engines
- Improves 0-60 mph acceleration and quarter-mile times
- Multiple performance maps for 91/93 octane, E85, and race fuels
- Plug & play installation; fully reversible
- Supports boost-by-gear for optimized traction
- Reads and deletes fault codes; logs up to 40 engine parameters
- Full CANbus integration for real-time tuning
- Compatible with all driving modes
- Fuel economy unchanged during normal driving
- No ECU flash required; compatible with locked ? ECUs
- Not VIN-locked; fully removable and transferable
- Includes billet aluminum enclosure
- Made in the USA with a 5-year warranty
- Compatible with the JB4PRO smartphone app for wireless tuning and logging
Vehicle Fitment
Infiniti Q50:
- 2016+ VR30 3.0L Twin Turbo V6 Turbo Luxe, Sport, Silver Sport, Sensory, Red Sport 400
Infiniti Q60:
- 2016–2022 VR30 3.0L Twin Turbo V6 Turbo Luxe, Sport, Silver Sport, Sensory, Red Sport 400
About the JB4
The JB4 is a plug & play tuning solution for turbocharged vehicles that installs between your car’s sensors and its ECU. By leveraging advanced CANbus monitoring, fuel and spark control, and Bluetooth smartphone connectivity, it delivers significant horsepower and torque gains while maintaining factory safety systems. Unlike flash remaps, the JB4 is fully removable, not VIN-locked, and reversible, making it ideal for enthusiasts who value flexibility, performance, and reliability.
