Burger Motorsports JB4 Tuner | 2023+ Toyota GR Corolla

Available at TheYotaGarage, the JB4 Performance Tuner from Burger Motorsports is the  best tuner to increase power and torque on the Toyota GR Corolla. Whether it's a mild build or a high performance Race corolla, the JB4 is the perfect solution for you. 

BMS JB4 Features and Benefits On GR Corolla

• Power gains of up to 30whp and 40wtq to the wheels on a stock vehicle
• Improves 0-60 times and 1/4 mile times
• Preloaded with custom JB4 Toyota GR Yaris/GR Corolla tuning software and up to 8 maps for various fuel and modification levels
• Ethanol (E85) compatible tuning maps
• Able to read/delete fault codes
• View and record up to 40 gauges/engine parameters in real-time with the JB4 app.
• Boost by gear in 1st, 2nd, and 3rd can be controlled via the JB4 app for a perfect launch
• Compatible with JB4 Mobile for smartphone logging, tuning changes, and adjustment
• The JB4 offers a lot more performance, functionality, and safety than your average performance chip
• Quick Plug & Play Installation
• CANbus OBDII integration offering unrivaled tuning features and performance
• Improved performance over non-integrated chip tunes
• Runs as smoothly as stock. This is how your vehicle should have come from the factory
• Compatible with all driving modes
• Fuel economy unchanged during normal driving
• 91 octane fuel or better required for performance gains
• Not VIN locked and can be removed without a trace and resold down the road
• Includes the rugged JB4 billet aluminum enclosure for protection
• Made in the USA
• Free Shipping in the USA
• 5-year extended warranty

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**For Competition Use only, not legal for sale in California**

B4 Toyota GR Yaris & GR Corolla Map Guide:

Map 0: Disables JB4 all together
Map 1: +3.5 psi, default map. Suggested for 91+ octane.
Map 2: +4.0 psi, 91-93 octane
Map 3: +4.5 psi, 93+ octane
Map 4: +5.0 psi, 30% E85
Map 5: +6.0 psi, 30% E85 or race gas
Map 6: User Adjustable Custom Tuning Map
Map 7: +9.0 psi, 30% E85 or race gas, full send mode!
Map 8: VALET/Low Boost Map

Wirelessly connect the JB4 to your Bluetooth 4.0 compatible iOS and Android device via the JB4 Mobile connect kit, or to your Windows laptop with the BMS data cable. Both options allow you to record and analyze vehicle and tuning data, change JB4 performance maps, and update JB4 firmware as we release free newer versions with updates, more powerful maps, and new features under development. A separate JB4 Mobile app purchase is also required.