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      08-17-2012, 08:46 PM   #1
ThatGuyMikee
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Drives: 2008 m3 e90 6spd
Join Date: Jul 2012
Location: Staten island

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people with oem exhaust mod please step in

i have a question...poeple who did the mod did you feel any loss of power? i dont want to do the mod and be unhappy with it if it lost a crap load of tq... any input would be great... i was thinking of just taking off the axle back and getting custom straight pipe axle back instead so if i dont like the sound or need to brig it back to bmw for warrenty stuff i can put the stock back on