I too prefer foam over K&N,...have ran the K&N Clamp-on's & they were nothing but a PITA keeping outerwears in good condition on them, cleaning, etc...sucked. Finally switched to the Toomey 2:1 with a UNI filter & outerwear...will never use any other. But then again, I don't ride in water or hardcore mud typically...mostly dune & dirt. IMO...the toomey filter is $50 well spent,...allows you to get ride of the damn air box as a whole, is easy to maintain & works just as good as my K&N's did, but filters better. I've not talked to a single person who runs the toomey setup that has had any complaints. Just my $.02