K&N Engineering Air Filter for 2010-11 Buick LaCrosse, 2011 Regal

K&N Engineering Drop-In Washable Reusable High-Flow Air Filter Brand: K&N Engineering This listing is for one replacement air filter. Upgrade your vehicle's breathing with the K&N Drop-In High-Flow Air Filter — a washable, reusable performance filter engineered to boost airflow, protect your engine, and increase horsepower while fitting directly into your factory air box. Key Features High-Flow Performance: Layered, oiled cotton media improves airflow for better throttle response and potential horsepower gains. Washable & Reusable: Long-lasting design that can be cleaned and re-oiled for the life of your vehicle — reduces waste and long-term costs. Direct Fit: Drop-in replacement for the 2010–2011 Buick LaCrosse and 2011 Buick Regal, installs easily into the factory air box with no modifications. Engine Protection: Multi-layer media captures contaminants while allowing maximum airflow. Trusted Warranty: Backed by K&N’s 10-Year/Million Mile Limited Warranty for reliable ownership confidence. Why Choose K&N K&N is a leader in performance filtration. Their drop-in filters are engineered for enthusiasts and daily drivers alike who want superior airflow, lasting value, and simple maintenance. Perfect for anyone seeking improved engine performance without complex installation. Fitment: Fits the 2010–2011 Buick LaCrosse and 2011 Buick Regal.