air filter

So, first post and everything. But I've been stalking the shit out of most of your builds for about a month straight. I figured I'd try to contribute to the whole "I don't want to put on pods, but I don't want to leave that ugly as shit STOCK box on" debate/dilemma. I really like the atmosphere...

I would like to expose the air filters on my bandit and I like the pod filter look. Besides correct dimensions, is there anything else I should look for in buying them? And also, (I realize this may be a dumb question) but when you do have exposed filters can anything go wrong if they were to...