The JB4 tuning system offers power gains up to 75hp on stock vehicles without flashing risks. It is designed for 2022-Present Lexus LX 600 3.5L models. The JB4 features plug and play installation, in-dash map switching, data logging, code reading, and more.
You can wirelessly connect the JB4 to your iOS/Android device or Windows laptop for data monitoring, map switching, and firmware updates. The JB4 offers various features including improved performance, customizable tuning maps, fault code reading, and real-time gauge monitoring.
Key Features:
Power gains up to 75hp
Preloaded with custom tuning software and multiple maps
Supports E85 fuel tuning
Boost by gear control for launches
Compatible with JB4 Mobile app
Easy plug and play installation
5-year warranty
The JB4 is suitable for 2022+ Lexus LX 600 and 2024+ Lexus GX 550 3.5L models. It is a plug & play tune that enhances vehicle performance through advanced connections and features not found in other tuning systems. The JB4 is known for its flexibility, updates, and ease of transfer between vehicles.
[Video](insert link to the video) – Dyno and Dragy results for 2022+ Toyota Tundra 3.5L, same motor as 2022+ Lexus LX600 3.5L.
