Do you have the skid plate still installed? I have CAI on my 06 with the skid plate and inner fender well it's nearly impossible for that filter to get wet. I've been in some pretty hard rain storms and I've never had an issue. You cn always buy one of those rain socks and put around the filter.
2006 Focus ZX3 SAP, Draxas Header, FS Werks Flex pipe, MBRP exhaust, CAI, Tuned, Debaged, tinted windows, FRPP lowering kit, SVT 5-spoke wheels, Black Halo Projector Headlights, Niteshaded Side markers and tails, Mazda rear wiper, mustang antenna.