K&N Engineering Replacement Air Filter

Part #: 33-5064

Overview

The K&N Replacement Air Filter for Subaru 22+ WRX, Legacy, and Ascent models is a high-performance, washable, and reusable air filter designed to enhance your vehicle’s airflow and filtration efficiency. Crafted with layered, oiled cotton media, this filter helps improve engine breathing, supporting optimal combustion and power delivery. It is ideal for drivers seeking a durable, long-lasting upgrade that combines performance with convenience, offering a straightforward installation process that fits directly into your factory air intake system. Built to last the lifespan of your vehicle, this filter provides consistent filtration and airflow, contributing to improved throttle response and engine efficiency over time.

Key Features

This high-flow air filter features:

• Layered, oiled cotton media for superior airflow and contaminant capture
• Reusability, allowing for cleaning and reuse instead of replacement
• Durable construction designed to withstand repeated cleaning cycles
• Easy drop-in installation that requires no modifications
• Backed by K&N’s 10-Year/Million Mile Limited Warranty for peace of mind
• Designed to support engine performance and responsiveness
• Engineered to last the entire lifespan of your vehicle with proper maintenance