You can find a Fake one on Ebay pretty cheap. I bought one that was a nice quality a few years back and it still is holding up well. Quality can vary depending on source.
Here are a few on Ebay...
http://cgi.ebay.com/After-Market-Lea...item3a624a5d3e
http://cgi.ebay.com/After-Market-Lea...item3a622b3745
http://cgi.ebay.com/After-Market-Lea...item4cf4648a23