Mercedes Benz S550 ECU Tune Stage:Stage 2 +111HP +147TQ Factory 449 HP / 480

Factory 449 HP / 480 lb-ft

a mid X-pipe

Factory 335 HP / 332 lb-ft

EVERY BENTLEY GT3R TUNE INCLUDES:

Reprogrammed throttle response

Mercedes Benz S550 ECU Tune Stage:Stage 2 +111HP +147TQ Factory 449 HP / 480Tuned 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