For Toyota Corolla 2009-2013 I4 1.8L (2ZRFE Engine / 1798CC Only ). for Toyota Corolla 2014-2018 1.8L. for Toyota Matrix 2009-2013 1.8L (2ZRFE Engine / 1798CC Only). Function: The main function of the intake filter box casing is to protect the air filter and ensure engine performance and fuel efficiency.