(1)  A light motor vehicle propelled by an internal combustion engine must be fitted with a silencing device through which all the exhaust from the engine passes.

(2)  A silencing device, fitted to a vehicle as required under subregulation (1) , that is designed to be manipulated by the vehicle's operator, such as by means of in-vehicle controls, must be designed so that it can be tested with the device fully opened.

Subdivision 2 - Noise levels applying to light motor vehicles certified before application of ADR 83/00