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An intake manifold and an exhaust manifold are critical components of an internal combustion engine. They both serve distinct functions:

1. Intake Manifold: This component distributes the air or air-fuel mixture from the carburetor or fuel injection system to the individual cylinders of an engine. The design and shape of the intake manifold can greatly affect the engine's performance, as it controls the timing and amount of air-fuel mixture entering the engine. It also includes passages for the engine coolant to help manage engine temperature.

2. Exhaust Manifold: The exhaust manifold collects the exhaust gases from multiple cylinders into one pipe. These spent gases are then guided to the exhaust system and eventually expelled out of the tailpipe. The exhaust manifold must handle high temperatures and corrosive gases, so it's designed to be robust. Some engines use the hot exhaust gases passing through the manifold to help warm up the engine and decrease emission levels during a cold start.

As for applications, both types of manifolds are used in nearly all types of internal combustion engines, including those in cars, motorcycles, trucks, and heavy machinery. Some high-performance vehicles may have specialized designs or materials for these components to improve performance or efficiency.


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