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      04-01-2008, 11:20 PM   #20
HP Autosport
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Drives: F80 M3
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Location: Santa Barbara, Brembo, GIAC, Koni, Ohlins, Performance Friction, Quaife, Stoptech, Vorshlag

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Quote:
Originally Posted by BMW///Motorsport View Post
+1 please! what gains exactly does the second cat delete give you? better sound? back pressure? smog legal? noob questions sorry

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