Enhance your vehicle's performance with the K&N 57-2561 Performance Intake Kit, designed specifically for the 2004 Ford Ranger and Mazda B4000 with a V6-4.0L engine. This advanced intake system features a high-density polyethylene (HDPE) rotationally-molded tube that significantly increases airflow to your engine, resulting in a guaranteed boost in horsepower and torque. The installation process is straightforward, allowing you to upgrade your vehicle in less than 60 minutes. Included with the kit is a washable, reusable High-Flow Air Filter made from oiled cotton filter media. This oversized, conical filter design allows for up to 100,000 miles of service between cleanings under normal driving conditions. A custom heat shield ensures that intake air remains cool, maximizing efficiency. Please note that some intakes may not be legal for sale or use on pollution-controlled vehicles in California. Check the product specifications for CARB status on your vehicle. <b>Features:</b> * High-density polyethylene (HDPE) tube for increased airflow: High-density polyethylene (HDPE) tube for increased airflow * Guaranteed increase in horsepower and torque: Guaranteed increase in horsepower and torque * Washable, reusable High-Flow Air Filter: Washable, reusable High-Flow Air Filter * Conical design allows for 100,000 miles between services: Conical design allows for 100,000 miles between services * Includes a custom heat shield to protect intake air: Includes a custom heat shield to protect intake air