The K&N roto-molded cold air intake for 2004 Ford Ranger and Mazda B4000 with the 4.0L V6 increases airflow to the engine using a high-density polyethylene tube, paired with a washable, reusable oiled cotton High-Flow air filter. The oversized conical filter allows long service intervals, includes a custom heat shield, and the system is backed by K&N warranty; check CARB status for California.
K&N 04 Ford Ranger / Mazda B4000 V6-4.0L Performance Intake Kit