Subaru Impreza Forester Legacy 550CC High Flow Fuel Injector 16600-AA170

This 550cc high-flow fuel injector is designed for Subaru Impreza WRX STI GC8 (1992-2000) and Forester, Legacy with EJ engines, especially for 2.0L turbocharged variants. Core function is to precisely inject fuel, enhance atomization for high-power tuning, and ensure steady fuel supply under aggressive conditions. OEM 16600-AA170, also compatible with FJ942, SF-61-550CC, 1086N, 842-18132N and 842-18132 replacement parts. Replacement difficulty medium; professional technician advised; ECU recalibration required to maximize 550CC flow. For bulk buyers, these injectors use 12V and 12MPa; compact packaging reduces installation errors; suitable for performance upgrades or repair projects.