Specifically , it 's the rumbling that sets off car alarms , frightens dogs , and makes everyone in your vicinity abhor you .
The first is the unnecessarily loud engines that vibrate and echo from the underbelly of a Harley .
It 's the rumbling that sets off car alarms , frightens dogs , and makes everyone in your vicinity abhor you .
The first is the unnecessarily loud engines that vibrate and echo from the underbelly of a Harley .