Injector Dynamics 1050X Fuel Injectors 2002-2014 WRX / 2007-2021 STI

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DESCRIPTION If you’re going flex fuel, turning up boost, or upgrading to a turbo that actually needs fuel, the Injector Dynamics ID1050-XDS Top Feed Injectors are a clean, proven w ay to add fueling headroom without trashing daily drivability. The XDS update brings Dual Slope Matching to improve low pulse width consistency so idle, cruise, and part-throttle fueling stay smooth and predictable while still supporting serious power on pump gas or ethanol. Note: Includes clips and pins. For plug-and-play, grab the Injector Dynamics USCAR to Denso Adapter (sold separately). WHY Because “big injector problems” aren’t a requirement for big power. The ID1050-XDS is built to deliver the capacity you need for higher-output WRX/STI setups while keeping the manners your tuner (and your commute) will appreciate, especially on E blends and E85. FEATURES Dual Slope Matching (XDS) for improved low-load consistency (idle/cruise/part throttle) Motorsport-built injector design (not a modified OE/production injector) Includes clips and pins for Subaru applications — re-pin the factory harness or use optional plug-and-play adapters Uses ID1050x calibration data (tuner-friendly characterization) Excellent choice for pump gas, ethanol blends, and full E85 fuel setups COMPATIBILITY 2002–2014 WRX 2007–2021 STI Show more