High precision temperature compensated pressure sensor provides the precision pressure reference for your turbo boost control function. 
By employing a unique closed loop boost regulating technique, the boost fluctuation is minimized once the desired boost level is reached. The anti lag program minimizes turbo spooling time so that you can have fast, sharp acceleration while maintaining your ideal regulated boost level.
The HDi multi-function boost controller holds boost and performs extremely well. The new gunmetal chrome finish also adds elegance to you car's interior.