This might be a stupid question, but here goes...I recently purchased a used cobra upper-n-lower intake manifold. When I got it I moved the upper around and I noticed a noise like something was rattling around inside of it
. Is that sound suppose to be there? As far as I know there are no miving parts in the intake manifold???
. Is that sound suppose to be there? As far as I know there are no miving parts in the intake manifold???

