Power gains of up to 70hp
The JB4 PRO is the newest, most advanced and highly featured tuning system available for your 2025-Present B10 powered Audi. Power gains are up to 70hp to the wheels (85hp crank) on a completely stock car on pump gas, gains with bolt-on parts, higher octane, E85 mixtures are even higher.
The JB4 features a simple plug and play installation harness for easy installation & removal and includes many features not found with any other Audi tune. Including on the fly in dash map switching between factory and various performance maps, boost limiting by gear for improved traction in lower gears, built-in data logging, built-in code reading, and much more.
Remember the JB4 Audi B10 tuner does not require any additional modifications! Simply install the JB4 as your first and only modification and enjoy an entirely new fast and smooth racing experience.
Includes the JB4PRO app! Wirelessly connect the JB4 to your iOS or Android device 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.
The JB4PRO app features an intuitive easy-to-use interface, help buttons, and advanced log analysis tools that can estimate the performance of your car and help identify any tuning concerns. More information on the JB4PRO app isavailable here.
JB4 Features & Benefits
• Power gains of up to 70hp to the wheels on a stock vehicle
• Improves 0-60 times and 1/4 mile times
• Preloaded with custom JB4 Audi B10 tuning software and up to 8 maps for various fuel and modification levels
• Ethanol (E85) compatible tuning maps up to E30
• Able to read/delete fault codes
• View and record up to 20 different gauges/engine parameters in real-time with the JB4PRO app.
• Boost by gear in 1st, 2nd, and 3rd can be controlled via the JB4PRO app for a perfect launch
• Compatible with the FREE JB4PRO app 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
• Designed and Assembled in the USA
• 5 year warranty
Vehicle Fitment
Audi S5
• 2025+ B10 Audi S5 3.0L EA839 Turbocharged V6 including Avant
Audi SQ5
• 2025+ B10 Audi SQ5 3.0L EA839 Turbocharged V6 including Sportback
