K&N Cabin Air Filter For Subaru WRX STI (2010-2021)

K&N Cabin Air Filter

K&N washable cabin air filters are engineered to fit directly into your factory air box, offering excellent protection from environmental contaminants and odor-causing particles. The thermally bonded high-flow synthetic material acts as a physical barrier, helping trap dust, pollen, mold, bacteria, fungi, and other pollutants, and is specially pleated to increase the contaminant-capturing surface area. Each filter is engineered to install easily into your factory cabin air box, and is designed to be easily washed and reinstalled whenever necessary. Buy with confidence under the K&N 10-Year/Million Mile Limited Warranty. 
Helps protect your vehicle's occupants, interior, and HVAC system from pollutants that can cause unpleasant odors. Engineered to be washable, reusable, and durable

Applications 

• 2010-2021 Subaru WRX STI
• 2008-2014 Subaru Impreza WRX STI