The JB4 is an easy to install plug and play tuner that attaches to sensors in the engine bay and works with your factory ECU tuning to remap boost, timing, and fueling for optimal performance and reduced turbo lag. Includes full SENT sensor technology required for properly tuning the latest Audi platforms. Includes full CANbus allowing the JB4 to access and incorporate all engine data in its tuning strategies, incorporate unique safety features such as keeping boost pressure low until oil and water are up to temperature to provide proper engine and turbo lubrication, and drop to a low boost map if the engine starts to overheat, run lean, excessively knock, or over boost. Includes fuel control for ethanol mixture mapping. Fully compatible with JB4 mobile for on-the-fly map changes, data logging, firmware updates, and much more. Installation is very discrete and it quickly removes without a trace when needed. Fuel economy during normal driving is unchanged. Compatible with all driving modes. Made in the USA. 5-year warranty.
Power gains of up to 100hp and 100tq to the wheels on a stock vehicle
Improves 0-60 times and 1/4 mile times
Preloaded with custom Audi tuning software and up to 8 maps for various fuel and modification levels
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
Compatible with JB4 Mobile for smartphone logging, tuning changes, and adjustment
91 octane fuel or better required for performance gains
Ethanol (E85) compatible tuning maps
Able to read/delete fault codes
Not VIN locked and can be removed without a trace and resold down the road
Made in the USA
Free USA Shipping
5 year warranty
European and Australian customers must check before ordering.
Audi JB4 Mobile demo video
