With more Subaru WRX 2.0L cars getting modified with bigger turbo's and more horsepower, it is essential to improve upon the factory fuel system. There are many different options for upgrading your fuel injectors on the market, and most of these options are costly. Agency Power now provides factory modified Subaru injectors that are tested to flow 740cc. This is a good option for cars pushing 300 wheel horsepower. Comes as a brand new set of four modified OEM Subaru injectors.