K&N Engineering Drop-In High-Flow Washable Air Filter E-9172

K&N Engineering Drop-In High-Flow Washable Air Filter E-9172 Brand: K&N Engineering The K&N E-9172 Drop-In High-Flow Washable Air Filter delivers proven performance and lasting value. Engineered with layered, oiled cotton media, this reusable filter improves airflow, captures contaminants, and helps increase horsepower while maintaining reliable engine protection. Key Benefits High airflow design: Optimized media for improved engine breathing and performance. Washable & reusable: Cleans easily for long-term use — engineered to last the life of your vehicle. Easy installation: Drop-in replacement fits directly into the factory air box for a hassle-free upgrade. Trusted warranty: Backed by K&N’s 10-Year/Million Mile Limited Warranty for peace of mind. Why Choose E-9172 Whether you want a maintenance-friendly filter that pays for itself or seek improved throttle response and potential horsepower gains, the E-9172 is a popular, tested choice. It pairs OEM fitment with race-proven filtration technology for everyday driving and spirited performance. Upgrade today to experience superior airflow, reliable filtration, and long-term savings with the K&N E-9172 High-Flow Washable Air Filter.