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      01-30-2013, 04:51 PM   #64
urBan_dK
First Lieutenant
United_States
6

 
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Drives: 2008 E90 M3
Join Date: Jan 2012
Location: Mill Creek, WA


Posts: 365
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Strongly considering these on my E90.

Can they be installed without uninstalling the muffler first, or does the muffler need to be removed to drill out the factory rivets?