I bought a used 350z (2003 version) in Feb'13. At the beginning, there was a problem with the engine vibration and the mechanic had rectified it by replacing the ECU.
Evo 7 Few unit Rallyart ECU for sale direct bought in from Japan RM 3000
Increase 10-50 H/P from stock engine, 270++ km/h
Open speed cut, very good response, RPM Rev...