Airbox

Motorcyclists and car enthusiasts use the term airbox for what might more properly be described as an air intake chamber. Older engines drew air directly from the surroundings into each individual carburetor. Modern engines instead draw air into an airbox, which is connected by individual hoses to each carburetor, or directly to the intake ports i...
Found on http://en.wikipedia.org/wiki/Airbox

Airbox

The engine air intake above the driver's head, which also serves as the car's roll hoop.
Found on http://www.formula1.com/inside_f1/glossary.html
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