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Old 10-10-2012, 11:31 PM   #8
Justintoxicated
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Join Date: Sep 2012
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Location: San Diego, CA
What I Drive: Silver Focus 2012 Titanium MFT

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only 4hp? I doubt other filters are actually gaining more that 4hp... The nice thing about AEM is that they filter very well, K&N's do not.
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