Ferrari California T ECU Tuning Software (2014+)Overview Ferrari California T 3. 9 L V8 Twin Turbo F154 2014 Present Expertly calibrated and meticulously refined, HEX Tunings ECU software for the Ferrari California T is guaranteed to give you MORE of a good thing. More horsepower, more torque, and a more exhilarating driving experience by delivering usable power through improved throttle response and torque management. With additional ft. lbs. of torque through the mid range, acceleration out of