Thread: M5 Mufflers + CF Diffuser ( Back to OEM )
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      08-29-2018, 10:15 AM   #20
MOBF10
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Drives: 2018 M3 Comp
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Quote:
Originally Posted by e92ben View Post
How was the sound on the 535 with the oe n5 mufflers? Did you have the valves open?
There are videos all over youtube with this setup
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