I don't have a ready link. You posted this appropriately in the Audio, Video & TV subforum. Read back thread titles in this subforum 12-18 months. I'm thinking there are at least two (if not more) threads on this very topic.
We had a Pioneer system put in our unit (6 disc changer) and we have no extra noises at all. The installer did make sure he put a isolater in to prevent any noises. It has been well worth the money to install.
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