For some reason these are scarce and hard to find at any price. I found a random set a few years ago for around $60, but they were red. I was able to remove the red coating with a spray on paint remover. It exposed the aluminum finish which I then applied a brushed finish using a very fine emery cloth.
I seem to remember purchasing mine from Eckler's Automation. I checked their sight this morning and found the following:
http://www.********************************************** **************/stainless-decor-rings-boxster-for-porsche-boxster-1997-2004.html
