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 set of pipes, one for each cylinder, that carry exhaust gases from the combustion chambers to the exhaust system. These can crack in some designs, producing a "ticking" sound near the manifold while the engine is running, but generally are a non-wear item.