The AIRAID Premium Kit Replacement Air Filter is engineered to provide a significant increase in airflow while maintaining high filtration efficiency. Designed to replace worn filters in AIRAID intake systems or for use in custom applications, this filter (MPN 721-472) helps optimize engine performance by reducing intake restriction, supporting gains in horsepower and torque.This performance air filter is constructed using multiple layers of specialized filter media. This advanced filtration technology allows the unit to capture fine dirt particles that standard cotton-gauze filters may allow through, protecting your engine's internal components without sacrificing flow. Its robust construction ensures it stands up to the rigors of high-performance driving. Increased Airflow: High-flow design reduces restriction to improve engine breathing and throttle response. Multi-Layer Media: Utilizes AIRAID’s unique filtration technology to trap contaminants more effectively than traditional gauze. Universal Versatility: Suitable for AIRAID kit replacements or custom-built intake configurations. Durable Construction: Manufactured using premium materials to withstand high-heat engine environments. Origin: Proudly designed and manufactured in the USA.