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Just look at a K & N filter next to a paper filter. you can almost read through a K&N while a paper filter is lucky to let a lot of light through.
Dust is very small, so why would a filter with obvious gaping holes be a good thing?
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 RIP Maxima 1997-2012
Quote:
Originally Posted by jamesqf
I think you missed the point I was trying to make, which is that it's not rational to do either speed or fuel economy mods for economic reasons. You do it as a form of recreation, for the fun and for the challenge.
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