JB4 Tuner for Alfa Romeo Quadrifoglio QV 2.9L

  • $ 599.00
Shipping calculated at checkout.

SKU: Alfa Romeo QV JB4

Power gains of up to 80hp on a stock vehicle!

The JB4 is the most advanced and highly featured tuning system available for your 2017+ Alfa Romeo Quadrifoglio 2.9L 6 cylinder twin turbo. Power gains are up to 80hp on a completely stock car on pump gas, gains with bolt-on parts, higher octane, and larger turbos are even higher.

The JB4 Tuner features a simple plug and play installation harness for easy installation & removal and includes many features not found with any other tune. Including on the fly map switching from your phone/tablet between factory and various performance maps, 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. 

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. Separate JB4 Mobile app purchase also required.

Alfa Romeo JB4 Tuner

JB4 Features and Benefits

• Power gains of up to 80hp to the wheels on a stock vehicle
• Improves 0-60 times and 1/4 mile times
• Preloaded with custom Alfa Romeo 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
Includes the rugged JB4 billet aluminum enclosure for protection
• 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 Alfa Romeo 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
• 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


• 2017+ Alfa Romeo Giulia Quadrifoglio 2.9L 6 cylinder twin turbo 
• 2017+ Alfa Romeo Stelvio Quadrifoglio 2.9L 6 cylinder twin turbo


For the install guide, map guide, and the latest firmware click here.


Burger Tuning Alfa Romeo Jb4 Tuned Dynos, Intakes and Mods.


Alfa Romeo Quadrifoglio QV 2.9L Dyno chart results with the Burger Motorsports JB4 tune 

 JB4 for Alfa Romeo Quadrifoglio QV 2.9L by Burger Motorsports on the dyno

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