Bi-Modal Exhaust

[Blue103TDIDSG]

For those of us playing at home, do you have a link to the DIY of below mods??

stock sound (sports mode ??)
https://www.youtube.com/watch?v=YckiOe8wKLA

Rocc with flapper mod
https://www.youtube.com/watch?v=uly7NXGcN3g

sound with flapper open and closed on Golf R
https://www.youtube.com/watch?v=u8n1KRPx18w

How it actually works (on a Golf R)
https://www.youtube.com/watch?v=Ac-57_RW1f8

"how to mod" on a Golf R
https://www.youtube.com/watch?v=QmpZbyykKwc

On the Soundakor thingo (technical term) here is all about it
Soundaktor

EDIT
just found this (again) took a while to find it
best example of the Soundaktor being switched on and off - in a Golf but I guess the Rocc will be the same
https://www.youtube.com/watch?v=Dv6S6_OD7-I

I'm thinking a switch for nice quite trips and then on for general running around
could get one of those switches that are mentioned early in the thread