AEM Induction

AEM 08-14 WRX/STi Cold Air Intake System - Gunmetal Gray - 21-478C

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SKU:
AEM21-478C
UPC:
024844391216
MPN:
21-478C
Availability:
Regularly stocked product
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$314.99
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Description

What is the purpose of the AEM IND Cold Air Intake for a 2008-2014 Subaru Impreza?
This AEM IND Cold Air Intake system maximizes airflow for a significant increase in horsepower and throttle response in your 2008-2014 Subaru Impreza.

How is the AEM IND Cold Air Intake installed on a 2008-2014 Subaru Impreza?
This Cold Air Intake is designed for a straightforward bolt-on installation, making engine performance upgrades accessible for your 2008-2014 Subaru Impreza.

The AEM IND Cold Air Intake for the 2008-2014 Subaru Impreza delivers maximum airflow, achieving a top score of 9 for engine performance. Featuring an oversized AEM DRYFLOW synthetic washable air filter and mandrel-bent aluminum tubing, this Cold Air Intake guarantees enhanced engine efficiency and power gains for your vehicle.

Key Features

  • oversized AEM DRYFLOW synthetic washable air filter
  • mandrel-bent aluminum intake tube
  • high quality hardware
  • oversized conical filter design
  • custom heat shield
  • factory fresh air duct attaches to heat shield

Why Choose the AEM IND Cold Air Intakes

Delivers maximum airflow for a noticeable boost in horsepower and throttle response.

Achieves cooler engine temperatures by drawing in air from outside the engine bay.

Provides a smoother, more efficient air delivery for enhanced engine performance.

Transforms your driving experience with a more aggressive engine sound and improved acceleration.

Who Is This For?

Street Performance — 8/10
Boosts horsepower and throttle response.

Track / Autocross — 8/10
Maximum airflow for performance gains.

Drag Racing — 8/10
Maximum airflow for performance gains.

Engine Performance — 9/10
Delivers maximum airflow for noticeable boost.

Easy DIY Install — 7/10
Bolt-on install type.

Visual / Aesthetic Upgrade — 6/10
Mandrel-bent aluminum tube, custom heat shield.

Frequently Asked Questions

What is the purpose of the AEM IND Cold Air Intake for a 2008-2014 Subaru Impreza?

The AEM IND Cold Air Intake delivers maximum airflow for a noticeable boost in horsepower and throttle response. Designed specifically for the 2008-2014 Subaru Impreza, this system achieves an 'Engine Performance' usage score of 9. Experience enhanced engine performance with this direct-fit upgrade.

How is the AEM IND Cold Air Intake installed on a 2008-2014 Subaru Impreza?

Installing the AEM IND Cold Air Intake on your 2008-2014 Subaru Impreza is a straightforward bolt-on process. This 'Easy DIY Install' use case scores a 7, indicating a simplified installation. Enjoy improved acceleration and engine sound with confidence.

What performance gains can be expected from the AEM IND Cold Air Intake on a 2008-2014 Subaru Impreza?

Expect a noticeable boost in horsepower and throttle response from the AEM IND Cold Air Intake. This system excels in 'Street Performance' and 'Drag Racing' with a usage score of 8, due to its capacity for maximum airflow. Enjoy a more aggressive engine sound and improved acceleration.

How does the AEM IND Cold Air Intake maintain cooler engine temperatures for a 2008-2014 Subaru Impreza?

The AEM IND Cold Air Intake achieves cooler engine temperatures by drawing air from outside the engine bay. Its custom heat shield and oversized DRYFLOW filter work in unison to deliver a smoother, more efficient air delivery. This system is engineered for optimal engine health and performance.

Additional Resources

Official AEM Induction Product Page

Installation Guide (PDF)

Important Notices

⚠️ CARB Notice: This product is NOT legal for street use in California under CARB (California Air Resources Board) regulations. For off-road or race use only.

⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

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Additional Information

CARB:
This product is not CARB Legal and not for sale in California
Clearance Item:
N
MPN:
21-478C
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Air Intake Systems>Cold Air Intakes
Install Type:
Bolt-On
Product Level:
Premium Performance
Street Performance:
8/10
Track / Autocross:
8/10
Drag Racing:
8/10
Engine Performance:
9/10
Easy DIY Install:
7/10
Visual / Aesthetic Upgrade:
6/10
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