Now when you say "increase the car performance" - yes it does. Electrical performance. Whether that translates into speed/torque/power I don't know. It really depends on the age of the car, how good is the ground, etc.
hello to all sifu...got 1 question to ask...is it hard to maintain lancer 4wd gdi engine..let say in term of spare part and etc...do it required special mechanic to handle or repair this engine? last time some one...