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Old 01-25-2013, 06:49 AM
Jackson1019 Jackson1019 is offline
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Location: Houton, Tx
 
Join Date: May 2012
Posts: 78
Mein Auto: 08 Alpine White M6
I would NOT recommended Agency Power. I have seen dyno of theirs headers actually losing power.

These are the exhaust systems I would recommend for the most power and best sound:

Eisenmann
Tubi
RPI
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Anthony Jackson

08 Alpine White BMW M6 Drop Top

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