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You mean change the ECU mapping in sport mode? That might be possible. Won't do much fore HP unless you've done other things to the motor though (intake/exhaust/etc.)
 

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Yes, this could be done. Subarus have a sytem on STI's called "SI-Drive" which has 3 settings, ECU programers have been changing the mapping on each setting with that car for awhile now. It shouldn't be much different with the CT.
 
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