Daniel, Good advice from Kelly!
My VS speedster was purchased out of Oregon with a DMV registration identity as a "1958 Porsche Convt"...and a separate boxed notation "Replica"
My new DMV registration omitted this notation!
Connecticut municipalities tax automobiles as personal property. I was billed by the town over $1,200 on my plastic bodied VW!!!!
It took a lot of tap dancing and tear shedding to revalue my VS as a Volkswagen.
The eventual owner of your 550 may think it's very cool to parade it as a Porsche...until the taxes come due.