2008 Subaru Impreza Wrx "roof rack lot noise" Questions

...roof rack Bought a new 2009 Impreza and just got the (Subaru) roof rack on--but the whistle noise is UNBEARABLE. Husband is outside right now trying to somehow ''fix'' it. So far, no luck. Anyone ...

...roof, because I can feel the knock when putting my hand at the top of the windshield, so we took the headliner out, and removed the fairing, basket, and the light rack. Still getting the knock. Any ...