lexiara

W1

Text with EEA relevance.

Modification in the exhaust system is permitted without any further test of tailpipe emissions and CO2/fuel consumption provided that the emission control devices, including particulate filters (if any), are not affected. If the evaporative control devices are kept as fitted by the manufacturer of the base vehicle, no new evaporative test is required on the modified vehicle. An EU type-approval granted to the most representative base vehicle remains valid irrespective of change in the reference mass.

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Source: EUR-Lex (Cellar) · retrieved 2026-10-12 · Text as adopted (Official Journal); later amendments are not incorporated in this text.