K&N 100-8591 Carbon Fiber 4in Air Box w/o Base Large

The K&N 100-8591 Carbon Fiber 4in Air Box is a high-performance, lightweight air intake component designed for racing applications. Crafted from durable carbon fiber, this Sprint Car Style Air Box enhances airflow for improved engine performance. Its construction ensures strength and weight reduction, making it ideal for racing environments where optimal airflow and durability are critical. The design provides ample air intake capacity, supporting high-performance needs. Like all K&N filters, it features a washable and reusable filter element that can be easily maintained with K&N oil and cleaner, ensuring long-term efficiency and reliability.

This large air box is suitable for various racing vehicles and is intended for use in high-performance or motorsport settings. It is a direct bolt-on upgrade for compatible engines utilizing traditional multi-Siamese stacks, offering improved airflow over stock components. The product does not include a base and is designed to fit specific 4-inch intake systems. Ideal for racing, track days, or performance upgrades, this air box enhances engine breathing and overall power output when properly installed on compatible vehicles.