K&N High-Flow Original Engine Air Filter 2003-2021 Subaru
Engine air filter designed to improve airflow and engine performance. Customers report noticeable gains in gas mileage and throttle response, with easy installation and long-lasting durability
Highlights
- engineered for horsepower and acceleration
- premium filter media with multiple protection layers
- lifetime durability with no-hassle warranty
Pros
- improved air filtration media
- durable construction
- low maintenance cleaning interval
- large filter surface for airflow
- lifetime limited warranty
Cons
- fits select models
- requires periodic cleaning every 75,000 miles under normal use
Best For
Features
- Increases horsepower and acceleration with advanced filter media
- Durable construction using premium materials for long life
- Four-layer cotton gauze media with tacking agent traps contaminants
- Reusability: washable engine air filter designed to last beyond disposable filters
