Replacement Engine Air Filter

The K&N 33-2287 is a washable, reusable, and high-flow engine air filter engineered to increase horsepower and acceleration while improving overall engine performance. Its state-of-the-art design utilizes multiple layers of premium cotton gauze treated with a specially-designed tacking agent, creating an intricate mesh that effectively blocks and traps harmful contaminants while allowing for increased airflow. Constructed with durable, premium materials and advanced methods, this filter is built for longevity. This reusable filter offers a cost-saving alternative to disposable filters, potentially saving up to $125 over 200,000 miles of highway driving. Installation is straightforward, as K&N drop-in replacement filters are pre-oiled and ready to install directly into your factory air box, making it one of the easiest and most cost-effective vehicle upgrades for quick performance gains. The filter comes with a No-Hassle Lifetime Limited Warranty, underscoring its durability and K&N's confidence in its product. This K&N air filter is specifically designed to fit select Ford F-150 (1996, 2004-2008), Ford F-250 (2005-2007), Ford F-350 (2005-2007), Ford Expedition (2005-2006), Lincoln Navigator (2005-2006), Ford Excursion (2005), and 2006-2008 Mark LT models, particularly those equipped with the 5.4L V8 engine.