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      01-04-2013, 03:06 AM   #2
RnmEvo9
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Drives: 2007 335i
Join Date: Apr 2011
Location: Pembroke Pines, FL

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Do you know if you still have your OEM downpipes? IMO, the best sounding exhaust on this car is catless downpipes with stock exhaust. You get 80% of the power gains while still retaining stock like exhaust that is deeper and doesn't drone or rasp.