K&N Engineering Drop-In High-Flow Washable Air Filter E-0638

K&N Engineering Drop-In High-Flow Washable Air Filter E-0638 Upgrade your engine’s breathing with the K&N E-0638 Drop-In High-Flow Washable Air Filter. Engineered with layered, oiled cotton media, this performance filter improves airflow while effectively capturing contaminants to help increase horsepower and throttle response. High-flow design: Optimized air intake for improved engine performance and efficiency. Washable & reusable: Durable construction engineered to last the life of your vehicle—clean and reuse instead of replace. Easy installation: Drop-in replacement fits your factory air box for a quick, tool-free upgrade. Proven protection: Multi-layer cotton media with oil treatment traps dust and debris without sacrificing airflow. Warranty: Backed by K&N’s No-Hassle Lifetime Limited Warranty for long-term confidence. Choose the K&N E-0638 to get superior airflow, lasting durability, and measurable performance gains. Ideal for drivers seeking a reliable, maintenance-friendly upgrade that preserves factory fitment.