Quote:
Originally Posted by Crash
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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1 hp? LOL!!!!!! You do know that there can be anywhere between 2-5 hp variance between dyno pulls right?
K&N's are good, they DO give a little more airflow and you don't have to replace them just clean them. A tuned car with K&N drop ins gains 5-6 hp from just the filters. Not bad.