2018 Toyota Yaris iA 1.5L 1496CC 91Cu. l4 GAS DOHC Naturally Aspirated. 2016 Scion iA 1.5L 1496CC 91Cu. 2017 Toyota Yaris iA 1.5L 1496CC 91Cu. 2019 Toyota Yaris 1.5L 1496CC 91Cu. The smooth inner wall gives it a superb air intake capacity and a smoother flow.
