1650cc FIC Subaru WRX('02-'14)/STi ('07+) Fuel Injector Clinic Injector Set (High-Z) (is175-1650h) Wiring Adapters:PGTJETR4Q click the model name in

click the model name in the features by vehicle list on the right

5% increase in diameter

reduce max FWHP by 30%

Significantly Lower Back Pressure Means the Potential for More Power

Weldon Racing T2040 Fuel Pressure Regulator ( FPR )

1650cc FIC Subaru WRX('02-'14)/STi ('07+) Fuel Injector Clinic Injector Set (High-Z) (is175-1650h) Wiring Adapters:PGTJETR4Q click the model name inSubaru WRX ('02 '14) & STi ('07+) Fuel Injector Clinic Injector Set (and fits '04 '06 Sti with WRX tumbler conversion): 4x1650cc Saturated High Impedance Ball & Seat Injectors. Utilizing the latest injector technology and featuring state of the art matching with Data Match Technology. Includes PGTJETR4Q or add Plug & Play adaptors PADPJtoD4. Fuel Injector Clinics 1650cc min high impedance injector is the largest high impedance injector compatible with