JB4 Tuner for Alfa Romeo Quadrifoglio QV 2.9L (BETA)
Power gains of up to 80hp on a stock vehicle!
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 in dash map switching 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.

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
• 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
APPLICATIONS
• 2017+ Alfa Romeo Giulia Quadrifoglio 2.9L 6 cylinder twin turbo
• 2017+ Alfa Romeo Stelvio Quadrifoglio 2.9L 6 cylinder twin turbo
MORE INFO
For the install guide, map guide, and the latest firmware click here.
DYNO RESULTS