2005 Subaru Impreza Wrx 2.0l H4 - Gas. 2004 Subaru Impreza Wrx 2.0l H4 - Gas. 2003 Subaru Impreza Wrx 2.0l H4 - Gas. 2002 Subaru Impreza Wrx 2.0l H4 - Gas. Cleanliness is crucial, and injectors are thoroughly cleaned to remove any contaminants that could affect performance.
