Ok we are going to go by a check list here and see which one it falls close too.



Stand Alone
Self-contained and usually independently operating - No

Piggyback
In connection with something larger or more important - Yes

By def. the K-pro would be considered a piggyback, regardless of what it does it cannot function solely on its own and has to have the ECU to function. Without the ECU the Kpro cannot run the vehicle. Just my