Blue 2004-2009 Mazda 3 Mazda3 I S 2.0 2.0l 2.3 2.3l Cold Air Intake Systems FIT - 2004-2009 MAZDA-3 2.0L 4-CYL Engine FIT -2004-2009 MAZDA-3 2.3L 4-CYL Engine NOTE: WILL NOT FIT MAZDA-3 MAZDASPEED TURBO/NON TURBO NOTE: WILL NOT FIT MAZDASPEED-3 MODEL This air intake kit will increase 7-10% of Horsepower and 5-8% of Torque