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Many people here are running this setup.
I used E-manage blue and it worked great. I don't know why so many people hate on the E-manage blue. If someone knows how to tune it, it will turn out great. My car was always turn-key and never stopped running on me.
I have hear some good things about the emanage ultimate from jdm map based people. For conservative numbers(<500hp), it is what I will probably end up with. Some people have reported issues with it, but then again, you hear about issues with all piggybacks(and even some standalones) if you look hard enough.