I bet that the reason the S's have better a/c is because of all of the added insulation ...works not just for sound, but for heat as well...especially that second firewall.
...my 2 cents
-Larry

__________________
It is a truism that almost any sect, cult, or religion will legislate its creed into law if it acquires the political power to do so. Robert A. Heinlein


09 Jetta TDI
1985 300D