APEXi Power FC are also available to suit many other Japanese cars including Toyota, Nissan, Honda and Subaru. Related Links: Engine Management Mazda RX7 | APEXi Power FC This aftermarket stand alone management system is a superb piece of kit. The processor is twice as quick as that used in the original RX7 FD model. It is capable of controlling all the parameters required to run the engines fuel and ignition requirements. It will even turn the cooling fans on at any temperature you desire! It has the facilities to run both single and twin turbo set ups with any size injector. This really is the answer to tuning your RX7. WGT have the software to tune these ECU’s to the finest tolerances. Apexi ECU’s: £595.00 + mapping @ £300.00