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leaves the engine when the pressure will be very large, resulting in a lot of noise, the exhaust pipe is equipped with a silencer, can play a certain role in silencing;
The exhaust system of a car has a "three-way catalytic converter" device, which can play a role in reducing pollution. The device can transform harmful gases such as carbon monoxide,
hydrocarbons and nitrogen oxides from automobile exhaust into harmless carbon dioxide, water and nitrogen through REDOX,
so that automobile exhaust can be purified and air pollution can be reduced.
