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AEM Cold Air Intake for 2015-2020 Subaru WRX

AEM Cold Air Intake for 2015-2020 Subaru WRX


Precio habitual $399.99 USD
Precio habitual $399.99 USD Precio de oferta $399.99 USD
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Product Description

The AEM 21-732C Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno-tested to fit specific Subaru WRX models. Air enters the system through an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and performance. The air filter is located in the original air box space and is protected by a heat shield which is designed to reduce intake air temperature and increase horsepower. The intake tubing is constructed from mandrel-bent aluminum featuring a durable gunmetal gray powder coated finish. This air intake system was developed to accommodate the engine's factory emissions control devices including the mass air flow sensor. The tapered cylinder shaped AEM Dryflow air filter is made from an oil-free, synthetic filter media that can be used for up to 100,000 miles before cleaning is needed (depending on driving conditions). The air intake system is easy to install with commonly available tools and it is backed by AEM's Lifetime Limited Warranty. Some AEM air intakes are not legal for sale or use in California and other states adopting California emission standards, while others are 50 state legal. View the 21-732C vehicle applications to determine the legal status for each vehicle.


Product Key Features

  • Increased horsepower
  • Tuned and dyno-tested to improve acceleration and engine sound
  • Low restriction aluminum tubing
  • Easy to install using commonly available tools
  • Air filter lasts up to 100,000 miles before cleaning is required (depending on driving conditions)
  • Washable and reusable oil-free filter media
  • AEM Lifetime Limited Warranty


Product Specifiactions

Brand: AEM
Product Category: Air
Product Type: Air Intakes
Estimated Horsepower Gain: 25 HP @ 4200 RPM
Replacement Filter: 21-2027DK
Air Filter Color: Red
Air Filter Material: Non-woven Synthetic
Air Filter Outlet Shape: Round
Clamps Included: 1
Clamp Material: Stainless Steel
Clamp Style: Regular
Couplers Included: None
Product Style: AEM Cold Air Intake System
Intake Pipe Color / Finish: Gunmetal Gray
Intake Pipe Material: Aluminum
CARB EO Number: D-670-26
Street Legal In All US States: Yes
TUV Approved (Europe): No
Weight: 12.5 lb (5.7 kg)
Product Box Height: 14.94 in (379 mm)
Product Box Length: 22.2 in (564 mm)
Product Box Width: 14.5 in (368 mm)
Mounting Hardware Included: Yes
Warranty: Limited Lifetime


Product Documents

Installation Guide
Dyno Chart


Product Applications

Year Make Model Engine Legal
2020 Subaru WRX H4 2.0L Yes
2019 Subaru WRX H4 2.0L Yes
2018 Subaru WRX H4 2.0L Yes
2017 Subaru WRX H4 2.0L Yes
2016 Subaru WRX H4 2.0L Yes
2015 Subaru WRX H4 2.0L Yes


Brand Information

AEM developed one of the first Packaged Air Induction Systems. It's design came from their experience in dyno testing, understanding intake energy dynamics and racing at the Battle of the Imports. AEM’s presence in the tuner movement and its proximity to Nissan, TRD and Honda allowed them a unique opportunity. There was an advantage to living side by side with racers and working with OES engineers. AEM was able to understand both the practical and theoretical side of engine performance. AEM's first air intake kit was offered for sale in 1994 as a "Do-It-Yourself" upgrade for the Honda CRX. This intake proved to be the beginning of a whole new tradition. People could suddenly purchase affordable cars and modify them for increased torque and horsepower. AEM has been a leader in the development of precision tuned induction systems since the Battle of the Imports. Today, the Company’s induction systems number in the hundreds. AEM is still the one to beat.