M5 Diffuser and M5 mufflers with Akrapovic Tips on 550i
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12-12-2012, 07:27 AM
Drives: 2014 Frozen Cashmere M5
Join Date: Sep 2011
Location: New Jersey
Originally Posted by
is there any droning?
thx...no, not at all...I kept the factory valves in.
Individual Frozen Cashmere Silver | 21" HRE S101 Brushed Titanium | KW V3 | Akrapovic w/ CF Tips | Catless DPs | MSR Intake | AquaMist Meth Injection | BMS Stage 1 | 700WHP & 651WTQ
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