Part #: 1700.48.11.WRX.4. These Injector Dynamics fuel injectors are a top - notch choice for your Subaru. They fit WRX (2002 - 2014), STI (2007 - 2021), Forester XT (2007 - 2013), Legacy GT (2007 - 2012), and Outback (2007 - 2009). Injector Dynamics is a global standard for tuners and car builders, offering the best fuel injectors. These injectors are precisely matched for excellent cylinder - to - cylinder consistency, even at low pulsewidths. You'll get dead - time compensation values across the injector's pressure and voltage range, ensuring stable air - fuel ratios in changing conditions. The kit comes with clips and pins. You can either re - pin your factory harness or buy optional plug - and - play adapters.

Using these Injector Dynamics fuel injectors is straightforward. First, make sure your Subaru model is one of the compatible ones: WRX from 2002 - 2014, STI from 2007 - 2021, Forester XT from 2007 - 2013, Legacy GT from 2007 - 2012, or Outback from 2007 - 2009. When installing, use the included clips and pins. You can either re - pin your factory harness or use the optional plug - and - play adapters if you've purchased them. Regarding maintenance, keep an eye on the air - fuel ratios. The dead - time compensation values provided will help maintain consistent ratios as atmospheric or voltage conditions change. Make sure to regularly check the connections of the injectors to ensure they're secure. If you notice any issues with fuel delivery or engine performance, it might be time to have the injectors inspected.