To give you the best possible experience, this site uses cookies. Using your site means your agree to our use of cookies. We have published a new cookies policy, which you should need to find out more about the cookies we use. View Cookies Policy.
The open valve installed with a fork bypasses the final silencer and when it is decided to close the exhaust it will be silenced again.
This junction or Y must be made by the buyer, in this case you are buying only the valve with mechanical opening to connect a cable with a mechanical handle such as bike or other./ li>