Has anybody tried them or this type of thing. Do they help?Heres a link to one I saw on EBay
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=2448925906&category=38634&rd=1

__________________
88 300CE 300,000kms
Black Pearl, Burgandy Leather
Euro Lights.
Its for sale. Its SOLD