do you have a race rear section right now? I have heard that the non-resonated midpipe with race is pretty bad with droning. if you end up getting it, please post back to let us know your thoughts. I also have rear race right now. leaving my stock midpipe and doing downpipes in the spring. good luck!
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2016 M5 | Instagram: @black_f10m5
IND cosmetic | M Performance , RKP , 3D Design aero | Eisenmann Race exhaust | AMS catted downpipes | MSR intake | CSF charge coolers | DME Stage 2 tune | KW v3 coilovers | BBS FI | Michelin Pilot Sport 4S
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