K&N Drop-In Filter for Subaru WRX & STi 08+
Features:
- Direct replacement for the factory paper filter
- High Air Flow with Excellent Filtration
- Designed to Increase Horsepower and Acceleration
- Washable and Reusable
- Will NOT Void Vehicle Warranty
- Lasts up to 50,000 miles before cleaning is required depending on driving conditions
- K&N Million Mile Limited Warranty
- Emissions Legal in all 50 US States.
- Economical, a K&N Air Filter Will Last the Life of Your Automobile
- Works with Original Equipment Manufacturer Vehicle Electronics
- Easy High Performance Add-on
- Environmentally Friendly
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