Kinser Air Filter systems have been winning races in every from of motorsports for over 20 years. What's the secret? The ability to deliver massive amounts of clean air to your racing engine. Their filters feature a unique 3 layer modular design that utilizes open cell filter foam making it breathe better than any other filter on the market. Perfect for your go-kart, mini sprint, tq midget, sprint car, midget, modified, stock car or motorcycle.