Problems with noise emissions of L-category vehicles
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Discussion of motorcycle and related vehicle noise issues, especially related to aftermarket modification (non-original replacement exhaust silencer systems (NORESS)).

Reference Number: GRB-66-12
Origin: Germany
Date: 31 August 2017
Proposal Status: Superseded
Related Documents:
GRB/2018/11 | UN R41: Proposal for a Supplement for the 04 series of amendments
WP.29/2019/7 | UN R92: Proposal for the 02 series of amendments