The FCD2 alters the output of a factory 5V MAP or AFM at an adjustable level to accurately raise the factory fuel cut point. Features LED indicators for easy setup. Adjustable release feature ensures you retain the safety of having a fuel cut to protect your engine from over boosting. Adjustment feature enables the sensor signal to be clamped flat or at another gradient to suit your application. To be used in conjunction with a Turbosmart boost controller.