K&N Engineering Drop-In High-Flow Washable Air Filter 33-3178

K&N Engineering Drop-In High-Flow Washable Air Filter 33-3178 Upgrade airflow. Improve performance. Last a lifetime. The K&N 33-3178 Drop-In High-Flow Washable Air Filter uses layered, oiled cotton media to increase airflow while effectively capturing contaminants—helping your engine breathe better and produce more horsepower. Key Features High-flow design: Engineered to maximize air intake for improved throttle response and potential horsepower gains. Washable & reusable: Durable construction lets you clean and reuse the filter for the life of your vehicle—reducing waste and long-term cost. Easy installation: Drop-in replacement fits your factory air box for quick, tool-free installation. Trusted filtration: Multi-layer oiled cotton media captures dirt and particles while maintaining high airflow. No-Hassle Lifetime Limited Warranty: Backed by K&N for reliable, long-term performance. Why Choose K&N 33-3178? This K&N drop-in filter is a popular, cost-effective upgrade for drivers who want better engine breathing without modifying the intake system. Ideal for routine maintenance or performance-minded owners, it delivers proven reliability and long-term value. Compatibility: Designed as a direct replacement for your vehicle's factory air filter—confirm fitment with your model before purchase.