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      11-18-2017, 01:06 PM   #9
drmlee
Private First Class
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Drives: F06 650i
Join Date: Jul 2015
Location: Los Angeles, CA

iTrader: (0)

for the short time that i had the stock mufflers on, i wired the valves open all the time. its a little louder from the outside but cant really tell the difference inside
Appreciate 0