I got pulled over not to long ago in the very early hours (0415) of the morning and when the officer asked "do you know why I am pulling you over" my reply was "yeah, I was going 10 over" but my radar detector didn't go off and he said "nope! do you have your cat on or off and be honest because I am going to look" and I said "I only have a cbe" and by that time he was bending down with his flashlight on. Mind you the Greddy Ti is louder than most so I guess he thought he was going to issue a nice fine. He then said "slown down a bit and have a great day". He didn't want to see my lisc, reg or ins. I haven't heard of anyone else getting pulled over for a cat inspection. This was in Gilbert.