It looks like Amuse finally did it! It broke the 600 hp barrier for the Nissan GT-R! According to Japanese automotive magazine, BestCar, the Amuse team broke the 600 hp mark with a little bit of tweak for the engine control unit(ECU) and a high flow exhaust. With the help of these things the Japanese tuner obtaine exactly 603.73 hp and 576 Nm of torque.
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