Do You Restorers Replace the Styrofoam Inserts or Just Throw 'em Out?

I could not see these styrofoam thins on the '65 Valiant Signet convertible I have, but I stuck my fingers down there in the space (lower firewall and frame) and I could feel something similar, so probably factory installed and not something a previous owner stuck in there.


No response on my thread looking for the location where these two large rubber bumpers belong on a '65 Barracuda, so I thought I would enclose the picture here in case anyone recognizes them for me (at the top of the photo with two very unique fasteners):

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