What does it cover?
UN R92 regulates non-original replacement exhaust silencing systems for L1, L2, L3, L4 and L5 vehicles. It addresses the system or component type, sound performance and specified vehicle applications together. The subject is a replacement product rather than the original system fitted during vehicle production.
Who is it for?
For vehicle, engine and powertrain manufacturers and measurement, testing and approval teams.
Which subjects are addressed?
- Replacement exhaust systems for L1–L5
- System and component type definition
- Sound tests and vehicle applications
Common question
Can one replacement silencer be used on every motorcycle?
An R92 approval is tied to the specified vehicle applications. The way the silencer type and vehicle match are defined in the approval documentation matters.
Published RegsUP edition
This page is tied to the published RegsUP working edition below; it is not an official consolidated text.
RegsUP record title: R92 — UN Regulation No. 92
Working series: 03 · Included supplement: 0
RegsUP edition publication date:
This is the RegsUP publication decision date, not the date the regulation entered into force.