# Regulation (EU) No 540/2014 of the European Parliament and of the Council of 16 April 2014 on the sound level of motor vehicles and of replacement silencing systems, and amending Directive 2007/46/EC and repealing Directive 70/157/EEC (Text with EEA relevance), Division 5.3.4.1: Test method with engine

Extent: E+W+S+N.I.

The measurements shall be conducted on the engine referred to in point 1.3.4 coupled to a dynamometer. With the throttle completely open, the bench shall be adjusted so as to obtain the engine speed (S) corresponding to the rated maximum power of the engine.
For the measurement of back pressure, the distance at which the pressure tap shall be placed from the exhaust manifold is indicated in Appendix 5.

---
Source: https://www.legislation.gov.uk/eur/2014/540/annex/IX/division/5/division/5.3/division/5.3.4/division/5.3.4.1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2014-540/annex-IX/division-5/division-5.3/division-5.3.4/division-5.3.4.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.