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The Parts And Components Of An Exhaust System

When it comes to car maintenance, what comes to mind? Oil and tire pressure? Perhaps a look at your carburetor, or your transmission fluid? But when was the last time you gave a thought to your exhaust system? 

The VE SS exhaust system is one of the more underrated sections of your vehicle, but also one of the most crucial. Therefore, it’s important to understand not only its parts and how it functions but also how it can malfunction…and how to fix it.

Its function is pretty straightforward, and can be explained in three parts, get fumes from the engine’s combustion from the engine out of the car, reduce the toxicity of the exhaust gases created by the combustion, and reduce the noise levels of the combustion – it is, after all, an explosion. 

  • Combustion is simple enough to understand, and occurs in four steps:

  • Intake, where the piston in the cylinder creates a vacuum to suck in fuel,

  • Compression, where the piston moves up to compress the fuel for ignition,

  • Combustion, where the fuel is ignited by a spark plug or heat from the compression (depending on the engine is gasoline or diesel, respectively),

  • Exhaust, where the piston moves upward again to expel the used fuel (in the form of exhaust gases) through an exhaust valve, and into the exhaust system.

The exhaust system varies depending on the type of engine the vehicle, but they almost involve an exhaust manifold, an oxygen sensor in or near the manifold, a catalytic converter, a muffler, and an exhaust pipe. 


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