Compatible to: Mazda 3, CX30, CX5 18-21 KF, CX8, Mazda 6 - Gasoline engine - non turbo (Write your engine size in the cart note section area) Engine size is at least 2.0! NA car, with more air intake, fast row, and quick turn-up, is the correct horsepower improvement plan. Therefore, modifying the intake system is an effective way to increase horsepower. The air intake components designed by KODOSTYLE for Mazda BP/CX30 (gasoline engine) models include. The mushroom head structure filter element of K&N is selected, and the air intake area is increased; The real carbon fiber air box shell can effectively insulate the heat and reduce the heat transfer of the engine room to the air intake system; CNC integrated pipeline, accurate data, more accurate air flow data capture; MAZDA3 BP model is specially designed, not universal; Provide optional closed air intake structure to ensure low torque and improve street performance at low speed; Provides the introduction of air-cooled air at the position of the fog lamp mouth, and the introduction of long-pipe air-conditioning can improve the dynamic performance of the full-speed range; How to choose an air intake kit that suits you? Open hurricane bellows can get higher intake sound and better high-rotation performance; The closed hurricane bellows can ensure the low-torque dynamic response and at the same time obtain excellent high-rotation performance; The introduction of collided air and cold air can improve the dynamic performance of the full-speed range, and is suitable for the original car bellows and the modified hurricane air intake;   Applicable models: Mazda3 (BP) 2.0 model (not applicable to compression ignition X engine) and CX30 (DM) Mazda 3 BP Sedan CF Fog Air Intake  CF Bloated Hose (Better Airflow than Stock Hose)