How about up to80hpto the wheels (100hp crank) on stock internals with pump gas?
The JB4 features a simple plug and play installation harness for easy installation and includes many features not found on any other tune. Including on the fly in dash map switching between factory and various performance maps, optional in dash gauge displays for boost, boost limiting by gear for improved traction in lower gears, progressive water/methanol support, built in data logging, built in code reading, and much more.
Remember the JB4 does not require any additional modifications or previous stages. Simply install the JB4 as your first and only modification and enjoy an entirely new fast and smooth racing experience. The JB4 also does not require any user setup or customization but for more advanced enthusiasts the BMS DATA cable allows you to connect via a laptop for data logging and free software updates.
Dyno Sheet A90 Supra Stock vs Tuned (DP, Intake, +6psi w/ 93+ Octane Tune)
Toyota Supra Stock vs Tuned Dyno
JB4_B58 is NOT CARB Approved for use with the 2020+ Toyota Supra at this time and can not be sold or shiped to California