See I don't think they are mapped to certain things it's still a question that hasn't been answered, they are made for the ct9 but everyone just wants more and more from them. They just happen to work well on different set ups. I reckon they are bought over counter with all the same pre settings everyone gets the same, it's the health of the engine and fuel that makes the difference. There only made bad because some people don't understand how to use them, I have used a SARD ecu before I could feel the difference I never had any problems with it my emanage was the best decision so far, I would