Originally Posted by Nightshade
Piggyback ebay ECU???
No not for me mine was reprogrammed and not chipped

Reprogrammed = chipped, unless you have a stand alone engine management. People can make custom chips with the right software, but it's not the most effective way of tuning.
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2015 Ford Mustang GT Fastback - Ingot Silver - 6M - Performance Package - Gibson Catback, JLT CAI, FR 47lb injectors, BAMA E85 tune, Eibach Sportline, BMR wheel hop kit, UPR oil separator, Steeda shifter bushing/bracket
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