The K&N 33-2857 high-flow air filter is washable and reusable, with a design that fits into the factory airbox. It is a drop-in replacement for the factory filter, and K&N states that its design is intended to increase horsepower and acceleration while still providing filtration.
- Type: High-flow air filter
- Installation: Fits in the factory airbox
- Maintenance: Washable and reusable
- Compatibility: Audi Q7, Volkswagen Touareg, Porsche Cayenne