Stage6 Air Filter Foam Insert Double Layer GY6 / China 4-stroke for original air filter box.

Perfect replacement for the original foam insert of your air filter box, simply swap with old / dirty foam. Double layer foam consists of two layers. They differ in porosity, together they provide maximum filtration performance and excellent air flow. Carburation and overall performance is improved.

The foam inserts are available for most popular scooters. Before ordering, please compare your original filters with the ones on the pictures to make sure you order the right size / shape!

To improve filtration efficiency and make your filter last as long as possible we recommend applying HQ air filter oil.