scoobysix is right (its the oil that does the damage) apexi should be ok.
i run a k&n but would have prefered a blitz.
the only difference you will notice between an air filter pod & a decent highflow pannel filter is .....that you get a better induction roar & can hear the standard dumpvalve through it. ptshhhhhhhhh.
lol

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Fellow Aussie trapped in the UK (for now),
Kept sane by my 2.5 jdm sti type r V5