Quote:
Originally Posted by JohnyBonnie
Forgive my ignorance, but what's the difference between air filters and velocity stacks...?
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this is a velocity stack:
It is used with no air filter element whatsoever. Air, pollen, dust, sand, birds etc go right into the motor. The benefit is the shape of the velocity stack increases the, um, velocity of the air entering the motor kind of like putting your thumb over the waterhose.