Yes it affects the ECU, initially I didn't think it did but a couple of cars that I have seen recently have proved otherwise. I did also see one with...
It will be OK but avoid the spacer if possible unless you are planning on just leaving it like this as I find the ECU doesn't like this at all for a...
You have to remember that requested and actual will be quite different down low where the turbo isn't capable of producing any boost,same applies at...