Going off the position of the povit, being closest to the turbo. I'd say that is exactly how it works..
Be intresting to see if they become available to the public.. And what they cost..
Pitty they seem so large though..My turbo would be all most rubbing on my bonnet with that fitted under it.
Just like this
Sorry the link has pretty rubbish pics.
http://www.dieselpow...3t4-flange.aspx
Google turbine diverter valve for more images.