I have just fitted a snorkel to my 2005 series 4 (diesel) patrol and it fitted flush with the front guard. It bears the name Patrol on it and looks the part. For those that are uncertain which one to buy price wise mine was purchased on E-Bay from Jagspares & British4WD delivered to my door for $252.51 I am happy with the product and also the money saved. Don't ask for photos as I have not worked out how to yet.
I looked at nissan ones and have always had safari, I put a safari on the 3l for 400 bux, fits great and are built tuff. I was also told that the gen ones dont flow as well. Not that my 3l is a huge breathing big block or anything.