Mercedes Benz E550 ECU Tune Stage:Stage 1 +171hp +307Tq Factory 503 HP / 505

Factory 503 HP / 505 lb-ft

Audi R8 V10 (2017-2021) performance ECU tune

Factory 306 HP / 295 lb-ft

IMPORTANT INFORMATION:

Items included are Gintani Revuelto rear section and header pipes

Mercedes Benz E550 ECU Tune Stage:Stage 1 +171hp +307Tq Factory 503 HP / 505Tuned 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