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      02-21-2012, 09:12 AM   #40
cssnms
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Drives: 2011 BMW 335d
Join Date: Sep 2010
Location: Murland

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Quote:
Originally Posted by Snkypete View Post
No Kool-Aid here....just simple real world testing over the past 20 years. I've long given up attempting to argue with keyboard commandos - life is too short. If you're fine in your opinion that's great. Have a great day.
My statements have nothing to do with opinion. Like I said, here is how one can uncover the lie about these so called "performance" filters.

Test your car on a dyno with a new stock filter.
Next test your car with no filter.

The delta between the two is the maximum theoretical gain any filter can provide - for most cars that is a 1% to 2% gain.
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