Division 8.1 NoiseX1
United Kingdom
| 8.1.1. Noise suppression system | Subjective evaluation (unless the inspector considers that the noise level may be borderline, in which case a measurement of noise emitted by stationary vehicle using a sound level meter may be conducted) | (a) Noise levels in excess of those permitted in the requirements 1 . | X | ||
| (b) Any part of the noise suppression system loose, damaged, incorrectly fitted, missing or obviously modified in a way that would adversely affect the noise levels. | X | ||||
| Very serious risk of falling off. | X |