The K&N High Performance Replacement Air Filter is engineered to improve engine performance by increasing airflow. Unlike disposable paper filters which must be frequently replaced, K&N air filters are washable, reusable and engineered to last for the life of your vehicle. K&N air filters are backed by our famous 10-year/million mile limited warranty, and they provide an environmentally friendly way to reduce landfill waste by avoiding disposable filters. Engineered to fit easily into your factory air box, installation can be completed in a matter of minutes. K&N develops and tests each product on the world's toughest race tracks, so we can bring the highest level of performance to your daily driving.