Mercedes Benz E63s AMG ECU Tune Stage:Stage 1 +142hp +153Tq Power ratings are subject to

Power ratings are subject to conditions and dynamometer model used

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Rear section only

This product is non refundable

Mercedes Benz E63s AMG ECU Tune Stage:Stage 1 +142hp +153Tq Power ratings are subject toTuned by Alex Gintani himself, Gintani Tunings ECU Software is guaranteed to give you more horsepower, 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 your favorite corner and onto the straight is noticeably quicker throughout the rev range. Gintani saves your stock factory ECU settings