yeah the air box was rediculous and probably pretty restrictive. with the 18mm carb i had a shorty filter (you can see it in the first picture at the top), but the new intake and gigantic carb make it impossible to fit a straight air filter there now.
i was thinking about getting rid of the side cover and running the filter out the side with a 90 degree bend... something like this:
but i'd be worried about hitting it with my legs, so i think i might just use some pantyhose.
that would be crazy though to rig up a hose system to put the filter under the tank... i just might have to think about that a bit more.