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Parts of the Exhaust System

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What Parts Make Up the Exhaust System?

Parts of the Exhaust System

Vital for fuel economy, the environment, and your safety, your vehicle’s exhaust system carries away harmful gases that are created during the combustion process. The exhaust system not only keeps dangerous gases like carbon monoxide, nitrogen oxides and hydrocarbons from entering the cabin but it also "cleans up" the gases before they are released into the environment. To learn more about your vehicle’s exhaust system, click on the numbers for component descriptions.

1. Manifold

Typically made of cast iron or fabricated tubing, it sometimes incorporates the catalyst, and is connected to the engine at the exhaust ports with flange connectors. It is designed to collect exhaust gases from each cylinder, and then funnel them into a common outlet.

2. Flex Pipe

Allows normal engine movement to prevent damage to the exhaust system.

3. Catalytic Converters

Converts harmful engine emissions to carbon dioxide (CO2) and water (H2O).

4. Oxygen (O2) Sensors

Detect the level of O2 in the exhaust stream. This information is utilized by the PCM for fuel control and to monitor converter efficiency.

5. Isolators/Gaskets/Clamps

Required accessories for proper sealing and durability.

6. Resonator Assemblies/Pipe Accessories

Resonator assemblies combine pipe routing and tuning technologies for quality flow and acoustics.

7. Mufflers/Muffler Assemblies

The muffler quiets the sound of a vehicle's engine as emissions pass out of the exhaust system.



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The content contained in this article is for informational purposes only and should not be used in lieu of seeking professional advice from a certified technician or mechanic. We encourage you to consult with a certified technician or mechanic if you have specific questions or concerns relating to any of the topics covered herein. Under no circumstances will we be liable for any loss or damage caused by your reliance on any content.

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