1) What is the PC Interface Kit? PC Interface Kit allows you to connect your Predator to your PC. This is necessary if you want to: *Update Predator software revision * Export your Current Tune from predator to your PC This is needed if you want a Custom Tune to be created for your vehicle. *Upload Custom Tunes into the Predator Custom Tunes are available from your DiabloSport dealer. *Ford vehicles only: Export the Live Data Log from the Predator to PC in order to be viewed using our free Windows DAT Viewer *Ford vehicles only: Stream the Live Data while driving from the Predator to laptop in order to be viewed using our free Windows DAT Viewer. 3) What comes with the Kit? NOTE: If your PC has only USB connector (doesn't have a DB9 serial connector), you will have to purchase a commonly available Serial-to-USB adapter (not included in the kit). The PC Interface Kit contains a DiabloSport approved DB9 to DB9 serial extension cable and a 12 Volt 1 Amp power supply. You can also use your own cable and/or power supply, or buy them from other sources: *The cable is a standard (straight-through) serial cable, also called DB9 Male-Female cable or DB9 9-wire Serial Cable Extension. (Radio Shack part no: 26.117B) *In order to power the Predator up at your desk, you will also need a 12 Volt (1 Amp minimum) power supply. The plug tip is 2.5mm x 5.5mm, female, and center is positive. (Radio Shack part no: 273-1776)