Found these on eBay. They're take-offs, with the pink/purple stripe, FE4 shocks from the V.

http://cgi.ebay.com/ebaymotors/SHOCKS-STRUTS-03-06-CADILLAC-CTSV-CTS-CTS-V-CTS-V_W0QQitemZ8025118255QQcategoryZ33590QQrdZ1QQcmdZV iewItem

I don't need 'em, since I've got a set already installed with the WildWhl mod.