K&N is the world's premier manufacturer of washable performance air filters and air intake systems. As the makers of the reusable high-flow cotton air filter, they have become one of the most respected names for oil filters and air intakes among serious motorcycle enthusiasts. K&N High Performance Filters are available at Adventure Designs. Air filters in stock include the K&N BMW R1200 High Performance Air Filter, which will increase your horsepower, keep your engine free from debris and is fully washable and reusable so that you will never have to purchase another filter for your bike. Other air filters include the K&N BMW F800 High Performance Air Filter BM-8006, the K&N KTM 1190 Adventure High Performance Air Filter KT-1113, K&N BMW 1150 High Performance Air Filter BM-0400 and K&N KTM 990 Adventure High Performance Air Filter KT-9907. The K&N BMW Oil Filter KN-164 for R1200GS, F800GS and F650GS come with a modern synthetic filter media to maintain pressure and flow while at the same time filtering particles of all sizes. Other oil filters include K&N BMW G650 High Performance Oil Filter KN-51 and KN-163.