JB4 Tuner for 2021+ Range Rover Velar, Evoque, Discovery, Defender 2.0L 4Cyl Turbo (P250+P300 Engines) (BETA) | R 13801 – Check Prices Buy Online

JB4 Tuner Summary:

• The JB4 Tuner offers power gains of up to 30hp and 50tq to the wheels on a stock vehicle, enhancing throttle response and acceleration.
• It features a simple plug and play installation with unique tuning features like gear-dependent boost control, E85 compatibility, diagnostic code reading/deleting, and more.
• The tuner does not require additional modifications and can be easily installed or removed without special tools.
• It can be wirelessly connected to iOS and Android devices for data recording and tuning adjustments.
• The tuner is designed for Range Rover vehicles with P250 and P300 engines such as the Velar, Evoque, Discovery, and Defender.
• The JB4 system is known for its advanced features, improved performance, and compatibility with various driving modes.
• Requires 91 octane fuel or better for optimal performance gains.
• The JB4 is not VIN locked and comes with a 5-year warranty, made in the USA with free shipping.

What is JB4?

• The JB4 is a plug & play tuner for turbocharged vehicles that manipulates vehicle performance through connections between sensors and the DME/ECU.
• Features advanced connections for CANbus integration, fuel & spark control, Bluetooth connectivity, and free firmware updates.
• The system is easily transferable between vehicles and has been a leading choice for turbocharged performance tuning for over a decade.