Enhance your Subaru WRX STI’s performance with the Perrin Filter Replacement Cone Filter, designed specifically for 2008-2021 WRX and STI models. This premium replacement filter improves airflow and engine responsiveness while providing reliable filtration to protect your engine from harmful contaminants. It’s an essential upgrade for enthusiasts who demand both power and durability from their intake system.

The Perrin foam filter features a unique two-piece design, making it easy to remove, clean, and reinstall. Made from reticulated polyurethane foam treated with special oil, it traps dirt effectively without restricting airflow, unlike traditional paper filters that clog over time. This ensures consistent air intake, preserving engine efficiency and power delivery. Ideal for Subaru owners using Perrin Performance intake systems, this filter offers hassle-free maintenance and long-lasting durability.

Perfect for Subaru WRX and STI drivers looking to maintain peak engine health and boost performance, this replacement cone filter is a trusted choice. Keep your Subaru running clean and strong—upgrade your intake system with this reliable Perrin filter today.