I replaced my hood with a MPD 1 ram air hood a few months ago. I kept noticing a vibrating noise, like a fan running. However, I only heard the noise with the hood locked down. The noise seems to be from (see attached) this vacuum unit. When the hood is closed it pushes against the hood and the ram air tunnel causes it to resonate. It seems I saw a post on here one time where someone relocated. If anyone remembers or has an idea of how I can resolve this, I would be glad for some feedback. Thanks, guys and gals.
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