I've had the K&N replacement filter in since the 5k mark. Cleaned and oiled it once right after the fires here in San Diego at about 40k. Got 75k on it now so it's about time to clean it again, or get a Volant. No probs at all. Dealer is full of BS.
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Volant, Gibson, That Dam Mod

"Eating and sleeping are the only activities that should interrupt a man's enjoyment of his cigar" Mark Twain.