In the category air filter, cleaner and maintenance for GAS GAS 2-stroke you will find everything you need to keep your motocross, enduro or trial bike breathing at its best. We offer both air filters identical to the original but also competition filters to increase the air flow of your bike. All air filters are washable with some cleaning and degreasing products for example. But don't forget to grease your air filter to prevent it from disintegrating quickly and not doing its job properly