K&N Engineering Porsche 911 Drop-In Air Filter (1977-1983)

K&N Engineering Drop-In Washable Reusable High-Flow Air Filter This listing is for one filter for 1977-1983 Porsche 911. Upgrade airflow and performance with the K&N Engineering Drop-In High-Flow Air Filter. Built with layered, oiled cotton media, this filter is engineered to increase airflow while effectively capturing contaminants to help protect your engine. High-flow design: Optimized media for improved horsepower and throttle response. Washable & reusable: Cleans easily and returns to like-new performance, reducing replacement frequency and waste. Long-lasting: Engineered to last the lifespan of your vehicle when maintained properly. Easy installation: Drop-in design fits your factory air box for a quick, no-modification upgrade. Trusted warranty: Backed by K&N’s 10-Year/Million Mile Limited Warranty for peace of mind. Whether you’re seeking everyday drivability improvements or reliable performance for spirited driving, this K&N drop-in filter delivers superior airflow and protection. Upgrade today to experience enhanced engine efficiency and longer filter life.