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      03-01-2011, 05:10 AM   #2
Crazy Bimmer
The Jesal
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Drives: E90 M3
Join Date: Nov 2005
Location: Chicago IL

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2009 BMW M3  [0.00]
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There are few dynos on the forum with Eisenmann Race installed on M3s. Some have reported an increase of 6-9whp whereas few vendors say 15whp. Either way, none have shown a lost in power.

They just mufflers after all.
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2009 E90 M3 - SOLD

Last edited by Crazy Bimmer; 03-01-2011 at 05:16 AM.