Easy to install. Affordable. Reliable.   G4X PlugIn ECUs offer the latest in engine management technology, designed to easily maximize the potential from your car.   This ECU fits inside the factory OEM enclosure. Installation is a breeze, with no alteration of the factory wiring loom required for the models listed below.  The N300X ECU is Designed to suit the VG30DET engine.  Please check your connector matches the header in the listed photo before purchasing.   This ECU works for manual transmissions only.   Includes an onboard 4 bar or 7 bar MAP sensor.  Most factory features are supported.  It is highly recommended to fit an IAT sensor with this model. Check the features tab for I/O expansion options.  This ECU will need a modification before E-Throttle is usable. Suitable applications:   Z32 300ZX VG30DE  Z32 300ZX VG30DETT  Download manual here Download full G4X specifications here.