This intake kit is tailored specifically for the Mazda MX-5 equipped with the 1.6L 16-valve inline-four MPI engine producing 114 horsepower. The K&N Performance Intake Kit for the Mazda MX-5 1.6L 16V L4 MPI (114BHP) is part of the 57i Series induction kits designed to enhance engine airflow by eliminating the factory air box size restrictions.