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Discussion Starter #1
would like to ask if anyone has tried to put Greddy e-manage (piggyback) on their WRXes or STIs? I've heard that they may have some trouble "tricking" the ECU due to some "closed-loop" function of the ECU which will detect if anything is trying to change its signals and then adjust them back. Is this true?

Aprreciate any information because my friend is going to order one for his 2001 WRX this weekend. Thank you!! :)
 
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