1999-2000 Mazda Protege with 1.8L 4-cylinders Engine (ES/LX). 2001-2003 Mazda Protege/Protege 5 with 2.0L 4-cylinders Engine (Base/DX/ES/LX). The air intake kit can help your engine to draw more cold air resulting in better throttle response and higher explosive horsepower output.
