Description:

Compatibility: Replacement for 2002-2014 WRX, 2007-2015 STI, 2007-2012 Legacy GT. Part Numbers: 16611-AA720, 16611AA720. Installation: Easy to install, can be replaced directly for proper installation effect. Function: Precisely control the fuel injection quantity, so that the fuel can be mixed with air through effective physical-chemical methods, and improve the combustion efficiency of the fuel injected into the cylinder.