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Preface this by denying I have any experience with K&N filters but thought it might be slightly useful to pass on the objection I've read before that seems to make sense. "The stock filter is huge and its surface area allows such small airflow reduction as the K&N can't improve on it, and some claim tiny parts of deteriorating foam accumulate on the hot wire (in LH cars) which survive the burn-off cycle."
How much stock stuff is broken to do the K&N trick? Airbox removed? Truth is, on the foam front, I've heard similar about the foam on the airbox flaps...
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Art Benstein near Baltimore
"My father said there are two kinds of people in the world: givers and takers.
The takers may eat better, but the givers sleep better."
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