I think you might be right that a lot of cops like muscle cars. I won't go into any stories or anything. Don't want to push my luck.
Knock on wood. Every time I was ever pulled over in my non-stock Mustang, I get questions about it, but no ticket. I know that the state patrol has clocked me at at least 15-20 over speed limit and they didn't come after me. I've had them flick their lights at me to take it easy. I don't think they like ricers. I see them pulled over all the time.
Okay, I lied, here's a story. When I got my Mustang way back in 89, so did the Minnesota State Patrol. I was really curious as to how theirs would look. One day I was driving along, doing 70 in a 55 and noticed an LX behind me. We shot down the ramp doing like 75 to go from one interstate to the next. As I got a closer look, I noticed that he had these weird square fog lights. It hit me then, so I started to slow down. It was one of the new patrol cars. The guy just waved and went by me. They were marked, but only on the passenger side door. I was relieved he didn't pull me over and just wrote it off as respect from a fellow Stanger.
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351W 89 Mustang GT Convertible