Thread: M5 Mufflers installed on 550xi - with OEM M Sport Diffuser
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      10-20-2013, 08:26 AM   #5
airjoe
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Drives: 550i
Join Date: Mar 2012
Location: SE MI

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Originally Posted by kthankzbye View Post
I agree. It's the best sounding for the buck. I have the center muffler and secondary cats removed and added a vibrant resonator to get it that deeper growl. I'll post up sound clips when I get the chance.
Did you do it all at once, or did you do mufflers first?
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2012 550i xDrive, DG & Black, M-Sport, ARS, Conv, Lux, Cold, HUD, Prem Sound, SAT.

Dinan Stage 2, springs, M5 mufflers, and 303M/Michelin PSS
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