What Does Your Car's Exhaust System Do?
Hello and welcome back to our series on automotive tools and how to guides for the new weekend warrior auto mechanic. This isn't meant for the professional, but rather the average Joe who is looking to get his hands a little dirty on the weekends. In the past, we have covered a lot of tools but in today's article I'm going to cover what it is that your car's exhaust is responsible for. Your car's exhaust is a central part of your vehicle as long as you intend to keep it street legal. If you have been following along with our articles, you know that air and fuel is mixed and combusted in the combustion chamber of your engine. From there it travels to the exhaust system.
In most exhaust systems, the spent fuel's journey will begin at the exhaust manifold, otherwise known as a header if you have a performance exhaust. While designs vary, they all serve the same purpose of getting the spent gases from the exhaust port down to the catalytic converter. It is here that the exhaust gases combine and interact with the chemicals in your catalytic converter to produce less harmful emissions.
From there the gases travel down the main pipe and to a resonator, muffler, or a combination of the two. The purpose of them is to lessen the amount of noise heard from your car's running engine. Typically a resonator is used in conjunction with a muffler to create a desired "Tone" or sound to the exhaust note. That's all there is to your car's exhaust system. When it wears out, typically there is no repair for them other than complete replacement.
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