Whats everyone running on their side by sides? I'm interested in upgrading my stock filter on my '10 Teryx. I'm gonna go with a billet adapter but can't decide between a gauze (K&N, or Dasa style) or foam (UNI) filter. I have ran a K&N on my raptor for years with no problems, but recently i have read a lot of things about how much better the foam filters are. Especially in the sandy and dusty area's like Dumont. Some people also say that if gauze filters are better then why do all manufacturers put foam filters on quads and side by sides. Also performance wise are they about the same? Thank you for your opinions and advice.