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.
2012 Focus Sport, STexhaust, COBB Filter, Snorkel delete, Toms Tune
SOLD2006 SAP, Draxas Header, MBRPexhaust, CAI, Tuned, FRPP lowering kit, SVT 5spoke wheels, HaloProjectorHeadlights, Niteshaded Side markers/tails, Mazda rearwiper, mustang antenna