These Deatschwerks 850cc side - feed fuel injectors are a perfect fit for Subaru STI models from 2004 to 2006, Legacy GT from 2005 to 2006, and Forester XT from 2004 to 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. You'll enjoy better fitment, easier tuning, and greater reliability. These injectors come with a comprehensive 12 - month warranty. Deatschwerks tests every set for flow balancing and quality assurance. They're analyzed at over 40 data points on DW's in - house injector flow bench. Even though they're made from used OEM cores, you get a top - quality, reliable, and high - performing product at an unbeatable price. Part Number: 02J - 00 - 0850 - 4. Free ground shipping available only online.


Using these Deatschwerks fuel injectors is straightforward. Just install them following your vehicle's standard fuel injector installation process. Make sure they're properly connected to the OEM harness, fuel rail, and manifold. When it comes to maintenance, keep an eye on the fuel system. Regularly check for any signs of leaks or malfunctions. If you notice any issues, it's a good idea to have them inspected by a professional. Also, since these injectors are covered by a 12 - month warranty, if anything goes wrong within that period, contact the manufacturer. Remember, while they're very reliable, always follow your vehicle's normal maintenance schedule to keep your engine running smoothly.