Quote:
Originally Posted by arcturus
so that it sucks in clean cold air from outside the engine bay and also has a "ram air" effect.
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That's the same airbox I have on my Amazon rally car except that the inlet tube was cut off flush at the end. That enables the cover to be reversed so it breathes warm dry air from around the exhaust manifold and stops icing of the carbs in cold damp weather.
I think any ram effect would be dissipated by the filter and the turbulence brought about by a fluted inlet pipe.