Small gap between TBS and Manifold?

421 Views 2 Replies 2 Participants Last post by  bigkurt7290
Got a TBS installed and I went under the hood to check it out, and theres a small gap on one side of the spacer, between it and the manifold. Driving it I did hear the whistle between 2000-2500, and didn't notice anything other than that. Is this something I should be wary of? Or will the O-Ring seal it off just fine
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