K&N Engineering is the world's leading manufacturer of washable performance air filters and air intake systems. Headquartered ... in Riverside, California, K&N has a second manufacturing and distribution facility in Grand Prairie, Texas, and multiple smaller offices in a variety of countries around the world. K&N invented the reusable high flow cotton air filter in 1969 and has been perfecting the technology ever since. K&N is a world class filtration company selling air filters, oil filters, and air intakes in over 90 countries across the globe. K&N sells over 12,000 products designed for cars, trucks, motorcycles, and industrial applications. From their No-Hassle Lifetime Warranty to their Consumer Protection Pledge, K&N stands behind their products and their consumers 100%. The distinctive K&N logo represents performance from one of the original performance companies. read more