*INSUFFICIENT power during driving, fuel injection efficiency is not high, and fuel consumption is high, need to replace the fuel injector. Otherwise, the injector will malfunction and the fuel injection amounts will not be aligned, which will eventually affect the air-fuel ratio. In addition to the accurate fuel supply, the fuel injector ensures the accurate air-fuel ratio of the engine, which can keep the engine running smoothly, and its exhaust gas can meet environmental protection regulation. *REPLACE PART # - Replace For 550CC 16611-AA720 058085124. *FIT THE FOLLOWING VEHICLE - Fuel Injector Fit 06-14 Replacement For Subaru Impreza WRX 07-14 STI 550cc.
