The DNA Filters motorcycle air filter for the Kawasaki Ninja 250 R is part of the Stage 3 Kit, which includes a specially designed airbox that completely replaces the stock one. Its design improves airflow around the filter and into the engine, while filtering the air used to create the fuel mixture. The kit claims a power increase of over 5–6 horsepower at the rear wheel.
- Type: Motorcycle air filter
- Compatibility: Kawasaki Ninja 250 R
- Stage: Stage 3
- Includes: Airbox
- Replaces: Stock airbox
- Claimed power increase: Over 5–6 horsepower at the rear wheel