Originally Posted by
Trek13
I can't find anything in NYS V and T law. I'm retired LEO. NYC may have a city ordinance. There are also laws against loud exhaust pipes, but that hasn't stopped over 90% of HD from changing their pipes. Loud pipes saved me more than once! I don't see any problems unless you're going to be obnoxious using it. A quick beep is all it takes.
Regarding the bolded bit, this anecdote, while common and popular, is statistically incorrect. Do you have any real evidence that your loud pipes saved you, where a bike with quieter pipes would have definitely, or more likely, resulted in an accident?
Ref: The Hurt report.