The 02 has lost 1 point in drag co.
Here's the para re the snorkel's efficiency:
"Of course, the new projecting Ram Air intake duct is what everyone notices first. Actually, in the early designs, the Ram Air duct was flush with the fairing. But wind tunnel tests revealed that Ram Air intake efficiency is highest when the Ram Air intake is located forward in undisturbed air, at the centre of greatest pressure. When we moved it off to the side, or behind the headlight there was a noticeable performance drop. And the more we worked with this positioning, the more we liked the way it looked from the front. I personally now think it looks really cool, a unique feature of this bike."
The new snorkel will flow more air possibly increasing power lower down due but it's pressurisation may not be as high with the position so top end power may be compromised a little. The difference will not be that noticable anyway.