General Studies · Exhaust System
What is the main function of the muffler (silencer) in an automobile's exhaust system?
- 1To cool down the exiting exhaust gases quickly
- 2To absorb and dampen the noise created by high-pressure exhaust gases✓
- 3To filter catalytic pollutants out of the exhaust stream
- 4To increase the engine's net brake horsepower output
Correct answer
To absorb and dampen the noise created by high-pressure exhaust gases
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