Just get some spa tubing and make one yourself. We did on my buddies we used 1 1/4 I think. If it is getting to much air the just put a cap on it and put a hole in it to give it enough air flow.
abs or pvc plumbing pipe and plumbing glue 1.5 inch start with a small strait piece to a 90 degree to another run of strait and another 90 degree and finish pipe with a strait with a hole saw drill bit right through fender and when I say strait measure what u need seal airbox and where pipe enters airbox home made and then patten idea just sayingWe wanna snorkle Tyler's 350. Does anybody know of a kit, OR are there any mods that can be done to the kit for the 450 to make it work on his bike???