For Toyota Matrix 2014 1.8L Canada Market (2ZRFE Engine / 1798CC Only). for Toyota Corolla 2010-2013 I4 1.8L (2ZRFE Engine / 1798CC Only ). for Toyota Corolla 2014-2018 1.8L. Function: The main function of the intake filter box casing is to protect the air filter and ensure engine performance and fuel efficiency.
