2001 2002 2003 Mazda Protege/Protege 5 with 2.0L 4-cylinders Engine (Base/DX/ES/LX) Green Piping Short Ram Air intake System Kit with blue Filter 2001-2003 Mazda Protege/Protege 5 with 2.0L 4-cylinders Engine (Base/DX/ES/LX) Fits Automatic & Manual Transmission This air intake kit will increase 6-10% of Horsepower and 5-8% of Torque It's the ultimate performance Air intake Kit with higher explosive horsepower output Easy to install and easy to fit with simple tools (A General Installation instruction is included)