FWIW, you can make you own very cheaply.
I made a set for approximately $1, and installed them onto my Mazda. Home Depot sells nylon filler plugs, found in the hardware aisle parts bins. Once installed, there's no discernable difference between the nylon plugs from HD and the plugs from
bumperplugs.com. I had my set on the car for years, and also had a set to fill the pilot holes for the rear deck lid emblem when I deleted it. Held up great.
By the way, anybody have experience with a riveted, dealer installed (I assume)plate mount/holder? I can't figure out how to remove mine. I've only ever seen screws/bolts. This rivet crap is new to me...
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