The Link G4+ WRXLink (3-4) WRX4+ PlugIn fits the Subaru WRX & STI V3-4. The ECU PCB fits discretely inside the original factory enclosure.
Installation of Link's Subaru WRX4+ ECU is a breeze - no alteration of the factory wiring loom is required. A built-in connector (or pins in some models) provides additional inputs and outputs such as oil pressure inputs or anti-lag / logging switches.
Factory features are supported - see Features for any exceptions.
MAP Sensor not included.