K&N Air Filter Aprilia RS660/Tuono '22-'23 Rim Diameter_9 Inch and reactive

and reactive

Removes lock nuts with ease

Optional spacer

If you are unsure if your machine is a Normally Open

and for models with VIN lower than 354281

K&N Air Filter Aprilia RS660/Tuono '22-'23 Rim Diameter_9 Inch and reactiveK&N's high flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific application and are designed to provide low restriction and increased performance while providing excellent engine protection for your motorcycle. Features: Designed to provide increased horsepower and acceleration. Pleated cotton media provides a large filtration area offering low restriction, high