K&N Engineering Drop-In High-Flow Washable Air Filter E-0666

K&N Engineering Drop-In High-Flow Washable Air Filter E-0666 Upgrade performance and protection with the K&N E-0666 drop-in high-flow washable air filter. Engineered with layered, oiled cotton media, this filter improves airflow while efficiently capturing contaminants to help increase horsepower and throttle response. High-flow design: Optimizes air intake for better engine performance. Washable & reusable: Long-lasting construction designed to last the life of your vehicle — reduces replacement costs and waste. Easy installation: Drop-in replacement fits your factory air box for a fast, tool-free swap. Trusted warranty: Backed by K&N’s 10-Year/Million Mile Limited Warranty for peace of mind. Perfect for enthusiasts who want a simple upgrade that delivers measurable gains, the E-0666 balances superior filtration with improved airflow. Maintain peak performance by cleaning and re-oiling per K&N service guidelines. Key benefits: Increased horsepower, enhanced engine protection, eco-friendly reusable design, and reliable warranty support.