Use Standard snorkle, with the airbox made by Mr_crust (think this his username)
I have got it, and has worked fine!! no dramas at all and i have a apexi pod as well..
However once i get a front mount, will use that standard hole n feed more air in from there as well..
Also im sure air goes thru the standard snorkle. I know it doesnt look like it but im sure NISSAN would have tested it..