K&N Engineering Replacement Air Filter

Part #: 33-5092

Overview

The K&N 33 Series Panel Red Air Filter is a high-performance replacement designed specifically for the 2019-2021 Subaru WRX STi. Crafted with layered, oiled cotton media, this filter is engineered to optimize airflow while effectively capturing dirt, debris, and other contaminants. Its durable construction ensures long-lasting performance, making it an ideal upgrade for enthusiasts seeking to enhance their vehicle’s response and efficiency. Whether you’re looking to improve throttle response or maintain peak engine cleanliness, this washable and reusable filter offers a reliable solution that supports your vehicle’s performance needs.

Key Features

This K&N air filter combines advanced materials and thoughtful design to deliver consistent performance and durability. Key features include:

• High-flow layered oiled cotton media for improved airflow
• Reusability with easy cleaning and maintenance
• Designed to last the lifespan of your vehicle
• Backed by K&N’s No-Hassle Lifetime Limited Warranty
• Precise fit for the 2019-2021 Subaru WRX STi
• Red color for a distinctive appearance
• Engineered to support increased horsepower and throttle response