From my understanding a stock Harley coming out of the factory is relatively quiet. They manufacture them to meet legal requirements. It is just that majority

From my understanding a stock Harley coming out of the factory is relatively quiet. They manufacture them to meet legal requirements. It is just that majority of owners seem to replace exhaust system components to give it that "Harley sound". Here is somebody doing a decibel test of their stock Harley: https://youtu.be/4LzFC1Ts7PE?t=63 https://youtu.be/4LzFC1Ts7PE?t=63