Thread: Better sound from a stock 550 exhaust
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      04-10-2013, 11:11 AM   #18
M2COMP
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Drives: 2011 X5, 2013 550xi, M2C
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Quote:
Originally Posted by Zetti_QP View Post
Thats very simple and NO costs!

Deactivate the exhaust flap...

I have do it and now much better sound! Very easy to do!
Can you put some pictures or video? Thanks
Appreciate 0
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