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      03-07-2012, 12:22 AM   #9
tha_good_life
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Drives: 2010 JzB E92 M3
Join Date: Jul 2008
Location: Seattle

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2010 BMW M3  [4.33]
Quote:
Originally Posted by aka_phox View Post
whats the gains with just the pulley and stage 2?
I believe it's around 10-15 more hp.