dont go foam filters.
foam filters have bad filtering and poor flow.
plus they dont last as long.

k&n FTW
if you need a dry cotton filter go the apexi.

3aracing/simota ones are very good for the price as well.
filter good and good flow.

if you are using it for cold air intake behind the bumper go the k&n.
imho its abit more durable

BTW i got the magazine at home.
thats the summary of it.

ive used simota/3aracing/saas/K&n before as well