AEM Induction

Part #: 21-863WR

Overview

The AEM Cold Air Intake for the 2019 Subaru WRX STI 2.5L is a high-performance upgrade designed to enhance your vehicle’s airflow and overall engine response. Crafted for enthusiasts seeking improved horsepower and torque, this intake system features a durable, mandrel-bent aluminum intake tube and a premium synthetic washable air filter. Its design aims to optimize airflow, reduce intake restrictions, and support reliable, long-lasting performance. Whether you're looking to boost your vehicle’s power or improve throttle response, this intake provides a practical and effective solution for your Subaru WRX STI.

Key Features

This cold air intake combines quality materials and thoughtful design to deliver tangible benefits:

• Oversized AEM DRYFLOW® synthetic washable air filter for outstanding filtration and airflow
• Mandrel-bent aluminum intake tube for smooth airflow and durability
• Custom heat shield to help prevent intake air temperature rise from engine bay heat
• Designed for easy installation with high-quality hardware
• Supports up to 100,000 miles between filter services under normal highway conditions
• Engineered to improve horsepower and torque without compromising reliability
• Enhances throttle response and overall engine efficiency

Construction & Design

The intake system features a precision-machined aluminum intake tube with a smooth, mandrel-bent design to maximize airflow and reduce turbulence. The oversized conical filter is engineered for high filtration efficiency and longevity, with a washable synthetic media that simplifies maintenance. The custom heat shield helps isolate the intake air from engine bay heat, supporting cooler, denser air intake for better performance.

Driving Feel & Feedback

Installing this cold air intake helps improve throttle response and engine responsiveness, providing a more engaging driving experience. The system supports a more aggressive intake sound, adding to the sporty character of your Subaru WRX STI without excessive noise.

Installation & Fitment

Designed for straightforward installation, this intake system includes all necessary hardware and components. Fitment should be verified against the vehicle’s specific model year and configuration to ensure compatibility.

What’s Included

The package includes the oversized synthetic washable air filter, mandrel-bent aluminum intake tube, custom heat shield, and all mounting hardware required for installation.