straphanger, 
Modified mufflers, stock exhausts, drag bikes—and helicopters.
THE CITY IS TOO DAMN LOUD! 📢
Now NY is using $35,000 anti-noise cameras with mics to fine drivers whose cars go past 85 decibels.
Other cities too...
🧵https://ca.news.yahoo.com/even-stock-exhausts-arent-safe-181300338.html
