Well, K&N has always claimed "the dirtier it is, the better it works!" for their filters...
Never heard of the problem, but you could buy one of the pre-filters K&N makes that are designed for high dust situations (usually off-road/Baja stuff).
Finally, glad to see a post in this area of the board!!! Is Rocky Mountain Division the most boring or what? Must be, judging from lack of posts.
95 BMW 325is
#19 DS Utah Region SCCA
[url="http://www.team-arg.com"]Team-Arg[/URL] <-- Finally updated!