yeah apparently the Power FC for the GTiR by AP Engineering works and plugs in, guys on pulsar forum with U13 motors in Pulsars use them without trouble........that would be a suitable solution.
could also remap the stock ecu using a daughterboard, the issue is not its ability (and you know it'd idle fine and stuff), but more so the actual process of tuning which would typically require the chips to be removed, data changed and then re-inserted. it works but can be a little annoying, might be acceptable if tuning on the street yourself with a wideband o2 sensor and all.