Cold air intake
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A cold air intake is usually an aftermarket assembly of parts used to bring relatively cool air into a car's internal-combustion engine.
Example of a Roush cold air intake system installed on a sixth generation Ford Mustang
Airbox
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An airbox is an empty chamber on the inlet of most combustion engines. It collects air from outside and feeds it to the intake hoses of each cylinder.
Inside the airbox of an Alfa Romeo Montreal
Motorcycle airbox on a V-2 engine.