Volant Pro5 Closed Box Air Intake | Toyota 4Runner 3.4L V6 (99-02) (18634)

The Volant Pro5 Closed Box Air Intake System is a performance intake designed to optimize airflow and outflow the stock system, supporting increased overall performance while helping protect the engine. Its high-flow filter uses five layers of oiled cotton gauze made from quality textiles, pleated between upper and lower aluminum screens. The filter arrives pre-oiled and ready for use, combining airflow for potential power gains with long service life. Volant states that filter maintenance intervals can reach up to 40,000 miles, depending on driving conditions. The closed-box design is identified in the product name; no further enclosure specifications are provided.

This intake is listed for 1999–2002 Toyota 4Runner models equipped with the 3.4-liter V6 engine. The supplied information does not specify a chassis code, transmission requirements, installation method, or additional compatibility restrictions, so confirm vehicle details before purchase. It is intended to improve airflow over the stock intake while retaining filtration to help protect the engine. Volant describes its systems for both on-road and off-road use, making this application suitable for varied driving conditions. The listed filter is pre-oiled and ready for use; no other included components are specified. Filter service life and maintenance intervals depend on driving conditions, with intervals stated as up to 40,000 miles.