K&N is the world's leading manufacturer of performance air filters and intake systems for cars and motorcycles. With more than 5,000 products in their catalogue the K&N name is known throughout the world of motorsport and - thanks to their excellent performance and track heritage - they are also one of the best-known brands when it comes to new filters for road cars, too. Since the first range of K&N filters hit the market they have been constantly developing their products to stay ahead, striving for the same levels of perfection that their drivers and riders search for out on the track. K&N air filters are both washable and reusable, and help to deliver the maximum amount of power, torque and acceleration in the process. Even their collection of induction and cold air intake kits are highly tuned and developed to the point where they are simple to fit but incredibly advanced; keeping the engine cool and firing on all cylinders!