parallel fuel rail on 2006 sti hawk
 

just recieved my rcm parallel fuel rail setup and feel a bit confused
looking at my car i have 2 saucer shaped things is this the fuel in and return connection and do i attatch pre the saucer things or after
and what is the third rubber hose underneath these 2 going to the fuel rail as wellhttp://i1272.photobucket.com/albums/...ps4560b4ab.jpg