Audi S6/S8 V10 Exhaust

As we all know there are numerous options for the Audi S6 from custom to Manufactured. Lets start a thread of a collection of videos and setup so that people can decide for themselves what exhaust they want for their v10 powered sedan.

Just stumbled on the Meisterschaft option for the S8 and it sounds beastly

Meisterschaft (S8)
https://www.youtube.com/watch?v=4fJEQJd7t3o

Millitek:
https://www.youtube.com/watch?v=2ZwqnDZF5Ko

HMS:
https://www.youtube.com/watch?v=sPBIcvsyQJE

Guerilla Bypass Exhaust Valves:
https://www.youtube.com/watch?v=DCXh34y0BCU

Supersport Duplex Sport Exhaust::
https://www.youtube.com/watch?v=PHyZySaRvF4

Supersprint
https://www.youtube.com/watch?v=9l1KZICT1Xs

Custom Meisterschaft Setup (S6):
https://www.youtube.com/watch?v=iJgIzhdfEFM

Anyone with a custom setup, please feel free to post a video and exhaust information i.e Part numbers and tubing size and material makeup.