The Link G4X PlugIn ECU transforms your WRX into a precision-tuned performance machine. Enjoy the latest in engine management technology, fitted directly into your OEM enclosure with no loom modifications required.
The fastest and most reliable way to determine which ECU you need is to check pins A1–A3 on the OEM connector:
Some late 2006 cars require the WRX107X, so this check is essential.
Vehicle Compatibility
Model breakdown:
WRX104X → Mostly covers 2004–2006
WRX107X → Covers 2007 and some late 2006
Why Choose Link G4X?
-10%
$463.50
$515.00
-5%
$113.05
$119.00
-5%
$105.45
$111.00
-10%
$1,658.70
$1,843.00
-10%
$50.40
$56.00
-10%
$32.58
$36.20
$132.00