What is the function of the exhaust system?

2 Answers
DeRuth
07/25/25 5:27pm
The exhaust system serves the following purposes: 1. Discharging the exhaust gases produced by the engine; 2. Reducing the pollution caused by the exhaust gases; 3. Minimizing noise. The components of the exhaust system include: 1. Exhaust manifold; 2. Exhaust pipe; 3. Catalytic converter; 4. Exhaust temperature sensor; 5. Muffler; 6. Tailpipe. The maintenance methods for the exhaust system are: 1. Regularly inspect the exhaust manifold for cracks and damage; 2. Check the exhaust pipe and catalytic converter for leaks and damage; 3. Examine the muffler for leaks and damage; 4. Inspect the gasket at the connection between the muffler and exhaust pipe for leaks, and check the rubber mounting gaskets of the exhaust pipe and muffler for damage; 5. Tighten the connecting bolts between the exhaust pipe and the engine exhaust manifold, as well as between the exhaust pipe and the muffler.
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ElizabethAnn
08/11/25 10:11pm
As someone who enjoys studying car engines, I believe the exhaust system plays a significant role. It not only expels post-combustion waste gases, reducing pressure within the engine to enhance overall performance and make the car run more smoothly and fuel-efficiently, but it also significantly reduces noise through the muffler, ensuring a quiet and comfortable driving experience. Another critical aspect is its environmental function: the catalytic converter in modern exhaust pipes transforms harmful gases like carbon monoxide and nitrogen oxides into safer carbon dioxide and water, substantially reducing air pollution. Without it, urban smog problems would worsen, negatively impacting human health. In summary, the exhaust system is essential for extending engine lifespan, optimizing the driving experience, and protecting the environment—making it an indispensable part of any vehicle.
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