Glossary of Auto Terms

DriverSide's Car Dictionary has the most comprehensive definitions of automotive terms. This auto glossary can help you decipher what your mechanic is fixing and what the purpose or function of the particular auto part or accessory is for. We have taken the mystery out of automotive service jargon, so that you don't have to.



A device that quiets the noise of the exhaust gases as they are emitted from the exhaust manifold. Rust and corrosion are hard on muffler. If your car is loud, it probably has an issue with the muffler, or some other part of the exhaust system closer to the engine.

See Also:
Carburetor Barrel
Air/Fuel Mixture
Intake Manifold
Fuel Injection
Rich Fuel Mixture

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