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Loss of boost with K&N Filter

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Old 06-16-2010, 09:29 AM
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Unhappy Loss of boost with K&N Filter

So I changed my air filter from a stock paper filter to a stock replacement K&N and I seem to have lost some boost. I had been getting in pure stock form 95 Kpa (13.7 psi), now it shows max 80 Kpa (11.6 PSI). Has anyone else had this issue? Tomorrow I am gonna put the stock filter back on and see what happens.
Old 06-16-2010, 10:03 AM
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have u logged it on hpt
Old 06-16-2010, 10:05 AM
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you should not have been getting 13.7psi in pure stock form. in stock form the bypass bleeds anything past 12.5psi out
Old 06-16-2010, 10:43 AM
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Originally Posted by mrbelvedere
have u logged it on hpt
Nope. Didn't think and air filter change would affect it like this so didnt even consider having to do a tune.

Originally Posted by BLAZIN07SS
you should not have been getting 13.7psi in pure stock form. in stock form the bypass bleeds anything past 12.5psi out
Thats what I thought too. But my boost gauge was showing me 13.7 (95KPa). So I assume that is what it is and that is all I have to go on.

Last edited by yellow dragon; 06-16-2010 at 10:43 AM. Reason: Automerged Doublepost
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