Loud motorcycles and cars becoming annoying

Why are motorcycles so loud? - Fight for Silence

Do people on motorcycles know they may be annoying others by

Inside N.Y.C.'s Insanely Loud Car Culture - The New York Times

Your first bike should be an electric motorcycle. Here's why

Loud motorcycles and cars becoming annoying

Are Harley-Davidson's the loudest four stroke motorcycles? - Quora

Summer plagued by obnoxiously loud motorcyclists? Here's how to

Loud Pipes Get You Tickets: New York City Introduces Noise

Why is my car making that noise? A guide to unusual vehicle sounds

Because Race Car? '65 Nova SS Is So Loud Neighbor Complains About

Law enforcement on motorcycle sound is getting stricter in Europe

What you can do to keep loud motorcycles in check – Press Enterprise

Intentionally making your vehicle louder than it was originally

Bad behavior - Japan Today