I checked all of the clamps and the filter today to make sure everything was nice and snug. I suspected it might have been the splash guard with the little slits in it making the noise when the filter sucked in air next to it, so I took that off and it wasn't that either. Oh well.
Originally Posted by
DVPGSR
I do not have a V2 but my normal AEM CAI does make a whistling sound.
Does it occur all the time, or just under certain conditions? Thanks for the replies guys.