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      11-07-2012, 12:43 PM   #13
GTHAUS
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Drives: F10 M5, F30 335i
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Quote:
Originally Posted by donovan View Post
Ok, generally speaking all the e9x m3 needs is to take out the primary cats and retain resonators... and keep mufflers. However, this exhaust is extraordinarily mean. WOW
Interesting sig ya got there....
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