That answered my question even though this is a 7 year old post. I'm glad they left it up. Seems like they can be stolen easier though. My wifes new Toyota RAV4 TRD, you have to take the wheels off.
I'm going with a chrome caps for now, while my black ones get the Ram painted red... then I'll see what looks best between the two and run with that. Or change for a different look from time to time. I'm also thinking of painting my fender wheel guards black for something different when I get new tires. You'll see why in these pics of my Ram:
https://moskovita-photography.com/2014_Ram_1500.html