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      11-13-2015, 01:40 AM   #23
Z4M_LEV
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Drives: Z4M, 750i, F30, Q50S, VW
Join Date: Feb 2015
Location: Los Angeles

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Just remove your muffler boxes and slap on 2 glass packs. If it's not loud enough remove your resonator. It'll cost you less than $500 including labor.
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