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      11-26-2012, 01:46 AM   #1
neversummer78
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650i GC - Exhaust note - Cold Start

650i GC - Exhaust note - Cold Start



Update!
I used zip tie and keep flaps on both sides open. It is sounding much better at low speed.
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Last edited by neversummer78; 01-26-2013 at 03:29 PM..
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