Quote:
Originally Posted by Duc_Z09
That would implicate the undertray since you have to remove and replace it to do an oil change. I'd think a loose undertray would react more to speed rather than rpm though.
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Correct. But the undertray was tight beforehand. The sound was coming above the undertray.
Quote:
Originally Posted by Bad Boy
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Same exact sound. It's definitely in relation with RPM and not speed. It hasn't hurt my car at all that I've seen. So don't worry to much about it. It is an annoying sound though. If mine comes back when I pull mine out of storage in the spring, i'll start tearing stuff apart.