This is not a physical product - this is only here to order individual credits for your HPTuner interface. Please change the QTY to how many credits you will need and in the note box please list your serial number. The number must match! We cannot take credits back once sent.
Note: We will need your application key if you are purchasing credits for an MPVI1 unit. Please email Henry@zzperformance.com with your order number and your application key.