if it’s from the middle area it could be the DCM Which is located under the speaker area inside the panel. Mine rattled when playing music at Moderate to high volumes. Added foam behind mine and that fixed it.
I got them on the truck, but lost my daylight before I could get the truck dry so a bit hard to tell the match until tomorrow. Antimatter Blue looks totally different with different light and angles so I’m sure they’ll be fine. I was born in Jersey by the way…