K&N Custom Racing Assembly Carbon Fiber 4" Sprint Car Air Box w/o Base - Large 100-8591

K&N Sprint Car Style Air Boxes offer a lightweight yet durable solution for racers using traditional multi-Siamese stacks. Crafted from ultra-light carbon fiber, these air boxes provide ample airflow to meet the demands of high-performance racing. As with all K&N filters, the Sprint Car air box features a washable and reusable air filter media. Regular maintenance with K&N oil and cleaner ensures optimal performance and longevity. Additionally, the air boxes include air horn seals for improved sealing and simplified installation. Designed to deliver maximum airflow while maintaining a lightweight design, these air boxes are ideal for racers seeking a performance advantage. With a flow rate of up to 2700 cfm and a weight of only 3.5 pounds, the Sprint Car Style Air Boxes offer an exceptional balance of power and efficiency.