How to remove charcoal canister and not get CEL?

[Kroggers]

We do not have the Boxster Spec over here in Finland. I am driving in the Porsche Sports Cup, and the regulations are more or less a direct copy of the FIA regulations with some extra Porsche stuff included. So I am quite free to do modifications.

So, what is the advantage with the ROW tune, and how do I get it? Apart from the two O2 sensors, what else do I need to change?

Here is some current pictures from my engine...