Link G4x ECU Subaru Impreza WRX & STI 2001-2005 EJ20T

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.

Designed for the WRX V7-9 EJ20.

• Please check your connector matches the header in the listed photo before purchasing. This ECU fits 5 Plug ECUs. 
• This ECU works for manual transmissions only.  
• Air temp sensor highly recommended.
• Most factory features are supported.
• Check the features tab for I/O expansion options

Suitable Applications: 
EJ20 engine in the GC chassis, 2.0L with cam control.