Fuel Injector Clinic 650cc BlueMax Fuel Injector (High-Z) Subaru WRX 2002-2014 / STI 2007-2021

Part #: ficIS175 - 0650H. These 4x650cc Saturated / High Impedance Ball & Seat Injectors from Fuel Injector Clinic are perfect for Subaru WRX and STi ('07 & up), and fit '04 - '06 STi with WRX tumbler conversion. They use the latest tech, offering great linearity and short pulse width repeatability. Comes with pigtails PGT USC4, or you can add Plug & Play adaptors PADPUtoD4. The injector sets are precisely flow - matched within 1%. Each injector is numbered, and a detailed flow sheet is included. Flow - tested at 43.5psi (3Bar) at 90°F fuel temperature with CF - 16B calibration fluid. With superior short pulse width control and tight manufacturing tolerances, they're easy to tune and provide excellent drivability. All o - rings for the factory application are included. For aftermarket setups, contact us before ordering. They're covered by a 12 - month warranty against original manufacturing defects. These high - impedance injectors match the vehicle's OEM ECU signal or work with aftermarket high - impedance ECUs. You'll need to change the injector plug on your car's wiring harness, either by soldering in the included pigtails or buying optional plug - n - play adaptors. FIC uses brand - new injectors for better reliability.

Using these fuel injectors is straightforward. First, make sure to change the injector plug on your car's wiring harness. You can either solder in the pigtails that come with the purchase or buy the optional plug - n - play adaptors. When installing, ensure all o - rings are properly in place as they're included for a perfect fit in the factory application. If you have an aftermarket setup, it's best to contact the seller before ordering to ensure a proper fit. For maintenance, keep an eye on the performance of your vehicle. If you notice any issues like poor drivability or changes in fuel efficiency, it might be a sign to check the injectors. These injectors are covered by a 12 - month warranty against original manufacturing defects, so if you experience any failures due to such issues, you can reach out for support.