I emailed this guy out of curiousity because I just bought an 01 cobra and I am going to supercharge it. I want the procharger kit but have to save a bit more. This guy is a ford technician he says you can use the 03 supercharger on an 01 for cheaper and this is his listing..
http://cgi.ebay.com/ebaymotors/Root...008012122QQcategoryZ33741QQrdZ1QQcmdZViewItem
http://cgi.ebay.com/ebaymotors/Root...008012122QQcategoryZ33741QQrdZ1QQcmdZViewItem