Experience the performance boost with the K&N washable, reusable high-flow air filter. Designed to enhance airflow and increase horsepower, this drop-in air filter for the WRX and performance air filter for the Legacy delivers outstanding filtration efficiency while fitting perfectly into your factory air box. Its user-friendly design and reliable K&N engineering make it a top pick for Subaru enthusiasts.

• Increased horsepower and improved acceleration
• Engineered for high-flow with superior contaminant capture
• Reusable design backed by K&N’s Million Mile/10-Year Limited Warranty®
• Quick, factory-direct drop-in installation

Key Features

• Easy Installation: Fits directly into your factory air box for a straightforward setup.
• Superior Filtration: Layered, oiled cotton media ensures both high airflow and effective contaminant capture.
• Durability & Savings: Long-lasting, reusable construction that lasts the lifetime of your vehicle, reducing ongoing maintenance costs, and covered by the K&N Million Mile Limited Warranty®.

Before beginning installation, note that this filter is compatible with a wide range of Subaru models, including popular names like the WRX, STI, and Legacy. The fitment details below showcase compatibility with various Subaru model years:

For more options on drop-in air filters, check out our Air Filters - Drop In collection. Upgrade your ride today for improved performance and enjoy fast, free shipping on your order from Everything Truck Parts.