Please do.
The info I found refers to the BRZ and you can see that it has a TB.
Then that injection system is linked to a Toyota direct injection that does have a TB.
Now that partial FA20DIT teardown from the Japanese site that someone linked, showed something similar with composite TGV housings.
The point I was trying to make is that with a DIT, these could be a lot more than just TGV.
I wonder if these become the .. part time throttle plates? Then maybe you won't find a central unit.
Also, the DI field seems to be moving fast, new things come out often.