[ErrorMargin]

Originally Posted by Mr. Merk

http://forums.pelicanparts.com/porsche-911-technical-forum/513136-87-carrera-heater-blower-s-delete-question.html

I think that is the way to go. You can replace all the ducting that obscures the intake manifold, but still retain the heater. Search for "heater backdate".

Our host has the key part: https://www.pelicanparts.com/More_Info/93010632101V2PH.htm