Keep them oiled and they work just as well...K&N are another name, Pipercross are another name, Unifilter are yet another name - they all do the same thing.

The thing that baffles me is there are people who drive about with NO-R-NO filter on at all with the premise they get better power...now that is silly....and not only that they are ruining their motor...

I like the ramflow setup but use the unifilter foam(the ramflo is bog). The ramflo stuff is really really crumbly...make good chrome polishing rags though(the ramflo stuff..)

Hooroo

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Rob Forsyth
Miniot!!