Saw them on eBay when I was looking around. Obviously it seems too good to be true given the extremely low price. However the guy is an eBay power seller with VERY good feedback. Also, there is a Dyno chart too, which is hard to argue with. So... would you put these on your car?
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=33631&item=2450141996
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=33631&item=2450141996