Look inside the door jam of your driver's side door at your VIN plate (pictured below) to find your exterior paint code. We've highlighted it below in red - pictured code is T8 for Tungsten Gray.
How do I select the right code?
Once you choose the correct year from the option table, the color choices displayed will be the only exterior paint colors that were available for your year Mustang. The first two letters in the dropdown menu are the actual paint code for the color selected.