This setup is great if you already have all the stage 2+ goodies. Keeps stock intake, downpipe etc.
But if you have a GTi AXX/BWA engine you need rods and headstuds, but on the ed30 lump you should get away with it. I would add headstuds though if it was me.
If Revo won't do a purpose built map for it then the stage 3/4 map will work with rs4 injectors and a manual boost controller.
With the vRS's current setup, on track at brunters a few weeks ago I was easily pulling on a mapped ttrs and a mapped rs5. A Porsche turbo did sail past me though on the straight.