AIR FILTER

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Nov 14, 2008 | 07:39 PM

beanys

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AIR FILTER

Hi guys
will changing the air filter on my standard 04 wrx make any diffrence ,if so wot do i buy to replace it with and is it worth it ,only mod i have is a h&s back box

cheers

Nov 14, 2008 | 07:46 PM

Skooby53

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Hi beanys, the only difference will be a slight increase in induction noise and that's about it. If you go for a KN then it is reusable, or stick to a throw away item. Not any real difference in bhp though.

Last edited by Skooby53; Nov 14, 2008 at 07:56 PM.