Would you please share your experiences in doing this? I just stumbled across a post of yours from January 22 2000 that mentioned this version of the air box mod. I notice that the inside of the roof of the air box shrouds the long velocity stacks pretty good where it is recessed to mount the air filter / lid thing. I like your idea of removing the tank foam, cutting the roof out of the air box, and sealing it to the bottom of the gas tank, making the bottom of the gas tank the new air box lid. Also: the "Uni" brand pre-filter foam that you prefer- I was looking for it today at my Suzuki dealer and they had the $12.95 package of Uni filter foam that was kind of a light green color, but I saw no reference to "pre" filter foam. How do I identify the "pre" filter foam that you prefer? What kind of adhesive do you prefer to use to attach it to the air box? Do you oil it? Thank you in advance.