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Discussion Starter #1
Hi, I’m brand new here, so I apologize if this has been covered, but I’ve looked all over and can’t find an answer.

My car when revving has a whistle sound I guess. It happens with the clutch engaged and when it’s not. I have no idea what it could be. It has a Cobb intake and an Invidia down pipe and cat back.

Any help would be greatly appreciated

A clip of the sound.
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