K&N air filters are a waste of money IMO. They're more restrictive than paper filters. All of our dynos were worse by nearly 1HP at the wheels with K&N air filters.
They say on the box "For off-road use only." I know a lot of them say that, but I agree with them. The only time I'll use one is if I'm going back to the dry lake bed racing.
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2002 Corvette Z06 - Totaled
2003 Corvette Z06 50th Anniversary
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