The UNI FILTER Polaris NU-8511ST air filter is designed for optimal airflow and maximum filtration efficiency. Constructed with durable materials, this filter ensures your engine receives clean air for peak performance. Its grease-cutting dishwashing detergent-compatible design allows for easy cleaning*simply remove, wash, oil, and reuse, saving time and money. The two-stage air filter features a removable component that promotes unrestricted airflow while making cleaning more manageable. This design helps prevent dirt buildup and maintains consistent engine performance over time. Made in the USA, the UNI FILTER NU-8511ST is a reliable replacement that fits precisely into your stock airbox, ensuring seamless integration without modifications. The ultra seal grease groove on the sealing surface provides an effective barrier against dirt infiltration, enhancing your vehicle's overall longevity. Whether you're on the trail or at the track, this filter offers unsurpassed airflow and dirt retention, delivering dependable protection and performance for your Polaris vehicle. Features: * Easy cleaning with grease-cutting dishwashing detergent; clean, oil, and reuse * Two-stage air filter design with removable component for maximum airflow and cleaning convenience * Ultra Seal grease groove on the sealing surface for improved dirt resistance * Precisely fits in stock airbox like OEM filter for seamless installation * Made in the USA with durable materials for long-lasting performance