[larryr]

Sounds like one of the fillers on the frame that are installed as part of the PDI to keep air flow correct in the cabin ( keeps out dust ).

Your picture shows nothing

look at picture here is this it?

http://www.ridgelineownersclub.com/forums/showpost.php?p=115654&postcount=6

 

[larryr]

If it shaped like the white outline - it looks like a stop for the hood to close onto. They are matched left side and right side. I know that Lexus and Infinity color match those. Some trunk have the same design. I think Honda trunk stops are round.