There's a vision many have had but none have achieved... Just beautiful...
I'm sure that you can set me straight,
but, because the Boxter is mid-engine,
Isn't there some room behind the current motor where the beetle motor useta sit?
It seems, (from here at my computer screen :-)) that it would be a smart/dandy place to put the radiator.
You could use some decklid venting, maybe some scoops under the car, or quarter window NACA ducts or some such to put it in back?
Always loved Wally's intercooler tail idea, too.
If ever you need an armchair quarterback, without a dog in the race, I'll be sitting right here at my computer happy to help!
