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10-25-2012, 10:06 AM
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#10
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Brigadier General 
Drives: 2009 335i M Sport Sedan 6MT
Join Date: Aug 2008
Location: Bucharest, Romania
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You need to weld Vibrant 1792 resonators instead of the cats, otherwise the sound is unbearably raspy. However once you put the resonators in, everything will come back to normal.
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