MAZDA NAVAJO 1990-1994 Performance Chip

If you are wanting to improve your car performance and thus are looking to upgrade the ECU then you should be aware that whilst there are several options in which you can do this, your best bet is to merely replace the ECU with a new one, and one that has been specifically configured to operate with your car. Remember, not every car is created equally, and given their different dimensions this will result in different requirements and outputs, in terms of the torque, fuel consumption and the maximum speed which is achieved within certain time limits.