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Old 06-23-2009, 05:24 AM
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Green1995SVX Green1995SVX is offline
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Re: What Air Filter do you use?

Quote:
Originally Posted by NiftySVX View Post
The stock air filter is capable of flowing more air than the throttle bodies. Any modification where the air box is removed will result in a decrease in horsepower due to a loss in volumetric efficiency. Also, air filters which contain oils are dangerous and cause damage to mass air flow meters. I throw K&N air filters in the trash about once a month and put a stock filter back in for a customer who has destroyed their MAF from the inferior filtration.
Correct.

I use OEM Subaru, by the way.
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