Proposal to introduce requirements for non-original replacement exhaust silencing systems with multiple, manually or electronically adjustable, rider-selectable operating modes or variable geometries (NORESS with “flexibilities”). This is a consolidated version of the amended regulation. For more information on the changes, see document GRB/2018/6 where the changes are marked in bold and strikethrough text.

Proposal to introduce requirements for non-original replacement exhaust silencing systems with multiple, manually or electronically adjustable, rider-selectable operating modes or variable geometries (NORESS with “flexibilities”). This is a consolidated version of the amended regulation. For more information on the changes, see document GRB/2018/6 where the changes are marked in bold and strikethrough text.