The Spoon Sports replacement air filter is constructed from
multilayer urethane material instead of the OEM high density paper
material. The use of urethane dramatically improves filter efficiency.
This filter cannot be washed and re-used. Replace with normal
recommended factory intervals.
Upon full opening of the throttle, a huge volume of air is drawn in
at high speeds. Meanwhile, when the throttle is closed, an inertial
force acts and air is compressed at the instant just prior to full
closing.
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