The K&N high-flow air filter is washable and reusable, featuring a multilayer cotton filter media impregnated with oil to trap contaminants and improve airflow. It is designed to increase horsepower and acceleration and improve overall engine performance. It fits in the factory airbox and comes pre-oiled, ready for installation.
The filter has four layers of cotton gauze treated with a special bonding agent, which work together to trap harmful contaminants. It should be cleaned every 120,000 km under normal highway driving conditions.
- Type: High-flow air filter
- Dimensions: 262 x 210 mm
- Filter material: Cotton gauze
- Protective layers: 4
- Treatment: Oil impregnation and special bonding agent
- Reusability: Washable and reusable
- Cleaning: Every 120,000 km under normal highway driving conditions
- Installation: In the factory airbox
- Condition on installation: Pre-oiled
- Compatibility: Audi A4, Audi S4