JB4 Jeep Performance Tuner – 2018-2020 Jeep Wrangler 2.0T

$735.98

JB4 Bluetooth Wireless Phone/Tablet Connect Kit Rev 3.7 (Pinned Power Wire) - All JB4 Units

Power gains of up to 40hp to the wheels on a stock vehicle

The JB4 is the most advanced and highly featured tuning system available for your 2018+ Jeep Wrangler/ Cherokee 2.0L 4 cylinder Turbo. Power gains are up to 40hp to the wheels (55hp crank) 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.

FEATURES AND BENEFITS

• Power gains of up to 40hp to the wheels on a stock vehicle
• Quick Plug & Play Installation
• CANbus integration offering unrivaled tuning features and performance
• Runs as smoothly as stock, this is how your Jeep 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, can be removed without a trace and resold down the road
• Made in the USA
• Free USA Shipping
• 5 year warranty

Download JB4 iPhone App

Download JB4 Android App

DYNO Results

2018 Jeep Wrangler Unlimited 2.0T

Jeep 2L stock vs. JB4 map2 93 octane

Jeep Jb4 Dyno VS. Stock

Jeep Dyno Jb4 tuner

Additional information

Weight1 kg
Dimensions30 × 20 × 10 cm
Connection Method

None, BMS Data Cable, JB4 Wireless Mobile Smart Phone Kit

Reviews

There are no reviews yet.

Be the first to review “JB4 Jeep Performance Tuner – 2018-2020 Jeep Wrangler 2.0T”

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Applications

Models suitable for this product

MakeModelYearSubmodel
MakeModelYearSubmodel
JeepWrangler2018 - 2020Rubicon - 2.0L
JeepWrangler2018 - 2020Sport - 2.0L
JeepWrangler2018 - 2020Sport S - 2.0L
JeepWrangler2018 - 2020Unlimited Sahara - 2.0L
JeepWrangler2018 - 2020Unlimited Sport S - 2.0L
JeepWrangler2019 - 2020Unlimited Rubicon - 2.0L

Got something to discuss?