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      04-04-2012, 03:18 AM   #3
procede92
Private First Class
 
Drives: 335i coupe
Join Date: Oct 2011
Location: bayarea

Posts: 178
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theres no best i believe its personal preference some are louder then others...i have the er charge pipe with synapse bov for sale sounds amazing loved it for the 3 thousand miles i had it
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