Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
You should see a small 'bobble' on the flange of the inlet rubber Matt. These line up with the corresponding 'bobble' on the plastic airbox. Get this right and they should align making life simples
Are'nt they numbered underneath as the only go in one way as per your question? sure they're stamped 1 through 4