Did this mod today, along with switching out the stock needles for Dynojet ones. I figured why not, since I was already inside the carbs. It's a super easy mod, I must say, it only added like 5 minutes to the overall time and it seems to be pretty effective. Though most of what I'm feeling on the bike probably has to do with switching the needles and yanking the snorkel. This is still the best $1.77 I ever spent on a drill bit.
If an 18 year old with no previous motorcycle experience can do this right, anyone can