As long as it's not too legit to fit.
And yeah this is all a bizarre exercise. The percentage of even 911 guys who would know to look for the big hand-hammered tank is vanishingly small—low single digits percentage, I'm sure—and the major "tell" is that the car is present, having been driven on the street.
Everyone knows it can't be a "real" 550 just based on context.
But I absolutely get off on making things look right, even if they can never truly be right.
I had such a fun time doing every last thing to put Bridget through the uncanny valley and out the other side, I figured I'd just do that to every Plastic Clown Car (TM) I can get. And so here we are.