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K&N High Flow Air Filter
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05-03-2020, 07:11 PM
Frenchie
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Join Date: May 2009
Location: Bretteville(Normandie)
Posts: 1,894
K&N High Flow Air Filter
K&N say that fitting their High Flow Air Filter to a stick 2016 STi will increase horsepower by 34. Seems to good to be true. Anyone have anymore information or opinions.
Frenchie
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