Thread: Torn between Akrapovic and Vanguard
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      05-11-2010, 04:07 AM   #16
GewoW
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Drives: E92 M3 LSB/Black 6MT
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Can anyone here care to chime in on comparison of Akra to stock? (sound)

Also, does the rear section actually provide performance gains? Is there a dyno to prove it?
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