Dyna FS in a Fuel and Ignition controller. This new edition now combines both fuel and ignition tuning into one device and comes equipped with factory connectors for easy installation. New Fuel and Igntion Module Features PC programmable fuel & ignition maps 2 position map switching function Gear position input Analog input for 0-5 volt input for boost mapping Individual cylinder mapping -100/+250% fuel adjustment range Can use Power Commander maps Self Tuning with the DynaTune autotune kit.