People are scared of hydrolocking, but it's really not that easy to do. You really need to submerge it or hit a HUGE puddle. I have a CAI and went through Canadian winters and heavy rain with it, no issues what so ever. I switched from an SRI to a CAI because I got heatsoak one day, my car was bogging hard.
Go check out http://focussport.com/coolflo.htm
They have great parts and their CAI is of great quality.