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      08-17-2011, 04:31 PM   #37
HP Autosport
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United_States
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Drives: F80 M3
Join Date: Mar 2007
Location: Santa Barbara, AP, Brembo, GIAC, Koni, Ohlins, Performance Friction, www.hpautosport.com

iTrader: (34)

We ran Berk on our N55 135i and liked the sound a lot. We sell a few different exhausts that sound good though.