AEM 21-732C Cold Air Intake System — Fits 2015-2020 Subaru WRX 2.0L H4

SKU: AEM21-732C
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About AEM Induction

AEM Induction engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full AEM Induction lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

AEM 21-732C Performance Cold Air Intake for Subaru WRX

Unlock enhanced performance for your 2015-2020 Subaru WRX 2.0L with the AEM 21-732C Cold Air Intake System. This system is engineered to deliver significant horsepower and torque gains by replacing the restrictive factory air filter and intake housing. Designed, tuned, and dyno-tested for specific WRX models, it ensures optimal airflow and performance for your turbocharged engine.

Key Features:

  • High-Flow Air Filter: Features an oversized AEM Dryflow synthetic washable air filter, providing exceptional airflow, filtration, and performance without the need for oil.
  • Reduced Intake Air Temperature: The system includes a heat shield designed to draw cooler ambient air into the engine, reducing intake air temperature and increasing horsepower.
  • Durable Construction: Mandrel-bent aluminum intake tubing with a durable gunmetal gray powder-coated finish ensures longevity and a clean, performance-oriented look.
  • Direct Fit Design: Engineered to install in the original air box location, simplifying the installation process.
  • CARB Compliant: This intake system is CARB EO D-670-26 certified, making it street legal in California and other emissions-regulated states.

The AEM 21-732C intake system is designed to accommodate your WRX's factory emissions control devices. Experience improved throttle response, a more aggressive engine note, and a noticeable increase in power. Upgrade your Subaru WRX's performance with this premium cold air intake from AEM Induction, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2015-2020 Subaru WRX Base
2015-2020 Subaru WRX Limited
2015-2020 Subaru WRX Premium

Product Details

Product Description
Part Numbers
Sizing & Fit

About AEM Induction

AEM Induction engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full AEM Induction lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

AEM 21-732C Performance Cold Air Intake for Subaru WRX

Unlock enhanced performance for your 2015-2020 Subaru WRX 2.0L with the AEM 21-732C Cold Air Intake System. This system is engineered to deliver significant horsepower and torque gains by replacing the restrictive factory air filter and intake housing. Designed, tuned, and dyno-tested for specific WRX models, it ensures optimal airflow and performance for your turbocharged engine.

Key Features:

  • High-Flow Air Filter: Features an oversized AEM Dryflow synthetic washable air filter, providing exceptional airflow, filtration, and performance without the need for oil.
  • Reduced Intake Air Temperature: The system includes a heat shield designed to draw cooler ambient air into the engine, reducing intake air temperature and increasing horsepower.
  • Durable Construction: Mandrel-bent aluminum intake tubing with a durable gunmetal gray powder-coated finish ensures longevity and a clean, performance-oriented look.
  • Direct Fit Design: Engineered to install in the original air box location, simplifying the installation process.
  • CARB Compliant: This intake system is CARB EO D-670-26 certified, making it street legal in California and other emissions-regulated states.

The AEM 21-732C intake system is designed to accommodate your WRX's factory emissions control devices. Experience improved throttle response, a more aggressive engine note, and a noticeable increase in power. Upgrade your Subaru WRX's performance with this premium cold air intake from AEM Induction, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2015-2020 Subaru WRX Base
2015-2020 Subaru WRX Limited
2015-2020 Subaru WRX Premium

Product Details

Product Description

About AEM Induction

AEM Induction engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full AEM Induction lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

AEM 21-732C Performance Cold Air Intake for Subaru WRX

Unlock enhanced performance for your 2015-2020 Subaru WRX 2.0L with the AEM 21-732C Cold Air Intake System. This system is engineered to deliver significant horsepower and torque gains by replacing the restrictive factory air filter and intake housing. Designed, tuned, and dyno-tested for specific WRX models, it ensures optimal airflow and performance for your turbocharged engine.

Key Features:

  • High-Flow Air Filter: Features an oversized AEM Dryflow synthetic washable air filter, providing exceptional airflow, filtration, and performance without the need for oil.
  • Reduced Intake Air Temperature: The system includes a heat shield designed to draw cooler ambient air into the engine, reducing intake air temperature and increasing horsepower.
  • Durable Construction: Mandrel-bent aluminum intake tubing with a durable gunmetal gray powder-coated finish ensures longevity and a clean, performance-oriented look.
  • Direct Fit Design: Engineered to install in the original air box location, simplifying the installation process.
  • CARB Compliant: This intake system is CARB EO D-670-26 certified, making it street legal in California and other emissions-regulated states.

The AEM 21-732C intake system is designed to accommodate your WRX's factory emissions control devices. Experience improved throttle response, a more aggressive engine note, and a noticeable increase in power. Upgrade your Subaru WRX's performance with this premium cold air intake from AEM Induction, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2015-2020 Subaru WRX Base
2015-2020 Subaru WRX Limited
2015-2020 Subaru WRX Premium

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