AEM Cold Air Intake Polished (21-477P) | Subaru WRX 2006-2007 / STI 2004-2007

The AEM Cold Air Intake Polished is designed for 2006–2007 Subaru WRX and 2004–2007 Subaru STI models, delivering increased airflow, improved engine efficiency, and enhanced throttle response compared to the factory intake system. By relocating the air filter outside the engine bay, this cold air intake draws in cooler, denser air to help support consistent performance gains while maintaining everyday drivability.

KEY FEATURES

• Cold air intake system engineered to increase airflow and improve engine efficiency
• Polished aluminum intake tubing promotes smooth airflow and corrosion resistance
• Relocated filter design draws in cooler air compared to factory intake configurations
• High-flow AEM air filter included for effective filtration and performance
• Designed to enhance throttle response and overall engine responsiveness

TECHNICAL SPECIFICATIONS

• Intake Type: Cold air intake system
• Construction: Polished aluminum intake tubing
• Filter Media: High-flow AEM air filter
• Installation: Direct-fit system utilizing factory mounting points
• Performance Benefit: Supports increased airflow and improved throttle response

VEHICLE FITMENT

• Subaru WRX 2006–2007
• Subaru STI 2004–2007

AEM Induction engineers high-performance air intake systems, filters, and airflow solutions designed to increase power, improve throttle response, and deliver reliable performance through advanced materials and proven engineering.