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1. • Member

   m6beemer

   Post Count: 15

   Likes Received:0

   I have a 07 M6 and thinking of upgrading exhaust cat back. I have heard that M4's have an electronic valve to control sound does the M6 have the same thing?

   m6beemer, Dec 24, 2017

   #1
2. • Member

   charlson89

   Post Count: 2,416

   Likes Received:133

   The M6 does not have a electric valve like the M4. Best thing to do is listen to some youtube videos of different set ups and see what you like.

   charlson89, Dec 29, 2017

   #2
3. • Member

   m6beemer

   Post Count: 15

   Likes Received:0

   Thank you for the information
   Happy New Year

   m6beemer, Jan 1, 2018

   #3

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