breather hose

[CL Wong]

the post was from George Sidman, just last month (Nov 2008)

here's a link to the pictures:
http://www.flickr.com/photos/audi_200_pix/

and here's a link to the post:
http://www.audifans.com/pipermail/200q20v/2008-November/026309.html

he uses a reducer down to 1/2" but it's not necessary because the final size is 3/4"

I've been looking for an oil separator but didn't want to spend on either one of 034's vortex products.  I'm still fuzzy about how the oil drains back to the engine.  (do I need a valve?)