The K&N 33-2417 high-flow air filter is washable and reusable, with multiple layers of oiled cotton gauze designed to trap contaminants and improve airflow. It comes pre-oiled and fits in the factory airbox. Its design aims to increase horsepower and acceleration, as well as improve overall engine performance.
Under normal highway driving conditions, it should be cleaned every 120,000 km.
- Type: High-flow air filter
- Dimensions: 260 x 110 mm
- Construction: Multiple layers of oiled cotton gauze
- Reusable: Yes
- Pre-oiled: Yes
- Cleaning interval: Every 120,000 km under normal highway driving conditions
- Compatibility: Smart ForTwo