FREE 48-State Shipping on orders over $200 + PRICE MATCH Guarantee! *Excludes Roll Bars/Cages
×

Questions? Call Us

  • Guaranteed Fitment

    Best-in-class fitment data means you always get the right part for your car

  • In-House Experts

    We know our parts. We're here to help if you have questions about a purchase.

  • Installation Services

    Local to Southern California? Leave it to the experts to install your new parts.

  • International Shipping

    We offer affordable shipping rates, both for domestic and international shipments.

JB4 BETA for Alfa Romeo Quadrifoglio QV 2.9L

$ 599.00
Power gains of up to 80hp on a stock vehicle! The JB4 is the most advanced...
$ 599.00

JB4 BETA for Alfa Romeo Quadrifoglio QV 2.9L

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 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.

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.

Read More
Read Less
Return Policy

Studio RSR accepts returns within 14 days from the date of purchase.

To be eligible for a return, your item must be unused, in the same condition that you recieved it in, in the original packaging.

Several types of goods are exempt from being returned – such as; hazardous materials, flammable liquids or gases, consumables, roll cages, roll bars, harness bars, gift cards, and downloadable software.

International Shipping

We offer international shipping rates lower than most companies. Please note that, during checkout, the current rates and/or exchange tariffs may not be displayed.

We use cookies to improve your experience on our website. Read about how we use cookies in our Privacy Policy. By browsing this website, you agree to our use of cookies. privacy policy
accept

Your cart

×