Whistle Noise while driving?
 

Hey gang.

I have a 2005 Sierra 4 door truck. When i drive around 75-80mph I have a really loud whistle noise that sounds like it's coming from the top of the truck. I've looked for anything that might cause an air disruption can can't find a thing?

Any ideas.

Do you think the door trip at the top of the door could cause this?

Thanks,

RE: Whistle Noise while driving?
 

is you rig factory stock? OEM antenna? stock height? aftermarket lights? Emblems? Have you recently had the vehicle unlocked by a tow truck driver? Double check that your intake is tight.