aFe MagnumFLOW Air Filters OER P5R A/F P5R Subaru Impreza WRX STI 08-11 H4-2.5L

Constructed with 100-percent polyurethane boxed frame, this high flow, oiled OE replacement performance filter will outflow the stock filter for improved horsepower and torque. Five layers of progressively finer mesh cotton gauze media provide maximum airflow for best performance results. Washable and reusable for multiple cleaning cycles, the tall open evenly spaced pleats provide excellent dust holding capacity for longer service cycle between cleanings. Integrated urethane bump seal insures tight, no leak seal over the life of the filter.

• Progressive 5 Layer Cotton Gauze Material
• Progressive Bump Seal For Leak-Free Seal
• Deep Cotton Pleats for Increased Flow
• High Flow For Increased Performance
• Limited Lifetime Warranty
• Fits In Factory Housing

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