Any performance enthusiast has heard of K&N Air Filters. Not only do they make direct-replacement, drop-in air filter elements for virtually every car on the market, they also make air intakes and oil filters. K&N even stands behind their customers with the Consumer Protection pledge in case or warranty issues.
K&N’s Horsepower Guarantee, Customer Pledge, and Custom Filters
Posted on: November 10, 2010
Posted in: SEMA