The California Special GT/CS package makes its return on the 2016 Ford Mustang, and we spent this week with it on our favorite back roads having fun, even though we aren’t in California. Checking the option box for California Special costs you about $2,000 on top of the Mustang GT Premium Coupe or Convertible, the base trim level you get it with. And like back in 1968 has has a lot of little things that add up for a unique look. Starting with the stripes, you get them down on the lower rockers front to back and on the hood. They’re well done I think but don’t actually say GT/CS in them like they used to. The fake gas cap emblem at the back does say it though, and the rear deck spoiler i...