1991 SSP Mustang
 

http://charlotte.craigslist.org/cto/4263630482.html

1991 MUSTANG LX SSP - $7350 (SHELBY)
1991 Ford Mustang LX odometer: 145000 automatic transmission
True SSP car. automatic, clean under car and clean under hood. Cold air kit, new seat upholstery, new carpet, console replaced due to holes from SSP equipment. New tires, OK paint job, Sony Radio, shift kit in transmission. No cats and has mac exhaust. Sounds and runs great and very fast ,new headlights also.7350.00 obo may do some tradeing for older mustang coupe.
(704)692-0415

Says new seat upholstery...looks vinyl, doesn't it?

So, what is the Shelby connection?

The name in parenthesis in CL ads is the location. Shelby is the name of a small city in North Carolina. It is 45 minutes West of Charlotte, NC.