How big is the Hyperflow filter....??
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How long is it? I have a 12 inch filter from my L and a bunch of aluminum piping peices from my civic and was going to try and make one. Have a friend with a machine shop so he can make me a heat sheild and brackets. The hyperflow just looks so simple I can not see paying 350 for a $5 peice of metal and a $30 filter.
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