Spec High-Flow Direct GDI Fuel Injector Set for FA24 2.4L

The IAG Spec High-Flow Direct GDI Fuel Injector Set, a collaboration between IAG Performance and Nostrum, is engineered for Subaru vehicles with the FA24 2.4L engine. This upgrade is a direct fit for the 2022+ WRX, 2019+ Ascent, 2020+ Legacy XT Sport, and 2020+ Outback XT & Wilderness models, delivering precisely controlled fuel directly into the combustion chamber. Despite the enhanced flow, they maintain an OEM-quality spray pattern, ensuring smooth cold starts, a stable idle, and responsive throttle performance. The set is also fully compatible with E85 and blended ethanol fuels, offering benefits such as cooler combustion temperatures and increased detonation resistance. Installation is designed to be straightforward due to the direct-fit nature and an extended harness connector on one injector, which provides clearance for the FA24 engine's coolant crossover pipe without requiring modifications. A detailed installation guide is included. Professional ECU calibration is strongly recommended following installation to ensure optimal cold starts, accurate fuel trims, and overall drivability. These injectors are compatible with the stock Subaru ECU and can be tuned using COBB engine management devices. The injectors are rated to support up to 600 WHP on gasoline and 480 WHP on E85. Key specifications include a flow rate increase of 24% over stock (17.5 g/s at 100 bar), a max operating pressure of 240 bar, and an OEM-comparable spray pattern. The package includes four direct-fit fuel injectors and four injector clips.