That is what I understood his question to be. I only remember it as a plastic panel. I have seen some filler panel replacements that are a solid (looking) panel, I think they are fibreglass.
Thanks for all the response! Came across a part number to one i have in storage. Could have swore it was a cast piece but could find no info on the part number. If anybody has any info in this part number I would also be interested. E3ZB-6102228-AWL I have found cowl panels with similar part numbers but not an exact match.
I've seen the replacement cowl cover before but never the extension pieces ?
Just thinking out loud but, are the extensions meant to cover the body panels that are normally exposed on each side of the cowl grille ?