You are correct. The kit supplied guards, as well as Mike's have the hinges different then the real ones. On the real one, the pin is on the mud flap and the "loop" is on the Tiger's hull. I think Mike Kasputis did this conversion on his Tiger 1. I can't find his thread though.
"So long as one isn't carrying one's head under one's arm, things aren't too bad." â€“ Erwin Rommel