My filter is sitting on this peice of plastic down there.
Ive driven in the rain gon through a car wash with it and nothing, man there was even water ON THE FILTER
and it still didnt get messed up.
youd have to have drown the filter in water to hydralock but driving around in there rain you should be fine, aslong as you dont hit a deep puddle. and ALOT of water goes up.