These Deatschwerks 850cc side - feed fuel injectors are a great fit for STI models from 2004 - 2006, Legacy GT from 2005 - 2006, and Forester XT from 2004 - 2005. Engineered to match your OEM harness, fuel rail, and manifold, they use only high - quality OEM cores. Each set is balanced within a 2% variation, which makes tuning a breeze. This results in better fit, easier tuning, and higher reliability. Deatschwerks conducts flow balancing and quality assurance tests on every set, analyzing them at over 40 data points on their in - house injector flow bench. Even though they're made from used OEM cores, you get a top - quality, reliable, and well - performing product at an unbeatable price. They come with a 12 - month comprehensive warranty. Part Number: 02J - 00 - 0850 - 4. Free ground shipping available only online.


Using these Deatschwerks fuel injectors is easy. First, make sure your vehicle model is one of the compatible ones: STI 2004 - 2006, Legacy GT 2005 - 2006, or Forester XT 2004 - 2005. Then, just install them following the normal procedures for your vehicle's fuel system, as they are designed to fit your OEM harness, fuel rail, and manifold. When it comes to tuning, since they are balanced within 2% variation, it won't be a difficult task. For maintenance, it's a good idea to keep an eye on your fuel system performance. If you notice any issues like rough idling or poor fuel economy, it might be time to check the injectors. Remember, these injectors come with a 12 - month warranty, so if you have any problems during this period, reach out to the manufacturer. Also, always follow the safety guidelines when working with fuel systems to avoid any accidents.