When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I use the Uni filters on both of my quads. They provide excellent filtration and provide better airflow than stock filters. If you ride in dusty conditions, I would recommend the Uni over the K&N. If you ride in average conditions, both will work good.