Loud pipes on bikes let you know they are coming and practically command you to look for them. The belief of bikers is that this also makes you aware of them and therefore drive more carefully around them. As debate rages on over this topic bikers and their supporters can let this pin shout their position for them.
Loud Pipes Save Lives Lapel Pin
Loud Pipes Save Lives type is stacked and stylized to represent the graduation of the pipes on a motorcycle.