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1. Examine the condition of the whole exhaust system, including
the silencers and mountings, for security, deterioration and completeness
2. With the engine running
a. check the exhaust system for leaks
Note: A durable repair to an exhaust system which effectively prevents
leaks is acceptable providing the system is structurally sound
b. assess subjectively the effectiveness of the silencer in reducing
exhaust noise to a level considered to be average for the vehicle.
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1.
a. A part of the system missing or excessively deteriorated
b. an exhaust system mounting missing, or In such condition that
it does not fully support the exhaust system.
Note: An alternative mounting device is acceptable providing the
system is secure and the fixing is not likely to fail prematurely-
2.
a. A major leak of exhaust gases from any part of the system
Note: A minor exhaust leak from, for example, a connection joint
or a pin hole, is not a Reason for Rejection
b. a silencer in such condition, or of such a type, that the noise
emitted from the vehicle is clearly unreasonably above the level
expected from a similar vehicle with a silencer in average condition.
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