I've always maintained that you cannot go wrong replacing the factory paper filter every 10,000k.
I doubt if anyone has detected *any* HP difference on a Dyno with changing ONLY the filter.
Performace aside, I'm much more concerned about the dirt that bypasses the filter.
There are even a few shots here in the galleries showing people who have installed pod like filters with no air box. Purely sucking in HOT air (and dirt) from the engine bay. Madness!
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If it doesn't fit, use a BIGGER hammer
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