Part Description
Accessories, Optional adjusting motor with handlebar switch for open/close/automatic
Text excerpt from the catalog:
E-approved slip-ons with an adjustable exhaust valve that allows you to tune the sound of your bike the way you like it, but still get back to what is legal. These exhausts come complete with a manual operated adjusting lever that can be placed on either the handlebar or below the tank. Electric operated adjusting motors are available as an option.