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AEM 2022 C.A.S. Subaru WRX H4-2.4L F/I Turbo Cold Air Intake - 21-891C for 2022-2025 Subaru WRX - front view
AEM 2022 C.A.S. Subaru WRX H4-2.4L F/I Turbo Cold Air Intake - 21-891C for 2022-2025 Subaru WRX - angle view
AEM 2022 C.A.S. Subaru WRX H4-2.4L F/I Turbo Cold Air Intake - 21-891C for 2022-2025 Subaru WRX - detail view
AEM 2022 C.A.S. Subaru WRX H4-2.4L F/I Turbo Cold Air Intake - 21-891C for 2022-2025 Subaru WRX - installed view
AEM 2022 C.A.S. Subaru WRX H4-2.4L F/I Turbo Cold Air Intake - 21-891C for 2022-2025 Subaru WRX - close-up
AEM 2022 C.A.S. Subaru WRX H4-2.4L F/I Turbo Cold Air Intake - 21-891C for 2022-2025 Subaru WRX - alternate view
AEM 2022 C.A.S. Subaru WRX H4-2.4L F/I Turbo Cold Air Intake - 21-891C for 2022-2025 Subaru WRX - side view
AEM 2022 C.A.S. Subaru WRX H4-2.4L F/I Turbo Cold Air Intake - 21-891C for 2022-2025 Subaru WRX - rear view
AEM 2022 C.A.S. Subaru WRX H4-2.4L F/I Turbo Cold Air Intake - 21-891C for 2022-2025 Subaru WRX - package contents

AEM Induction Part # AEM21-891C

AEM 2022 C.A.S. Subaru WRX H4-2.4L F/I Turbo Cold Air Intake - 21-891C

$662.19 CAD
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Canadian since 2005 Questions? Email sales@raptorracing.com

This Performance Air Intake System allows your engine to breathe more air compared to the restrictive factory air intake housing. It is designed, tuned and dyno-tested to produce more horsepower and torque. Air enters the system through an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and performance. The air intake tube is constructed from mandrel-bent aluminum featuring a durable gunmetal gray powder coated finish. A custom shaped heat shield with lid is included. 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). This Air Intake System 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 vehicle applications to determine the legal status for each vehicle.
Installation Instructions
User 1

  • Creates a deeper, more aggressive induction tone that highlights the intake system’s improved airflow.
  • Equipped with a long-life, high-capacity air filter capable of up to 100,000 miles before servicing (depending on driving conditions), reducing maintenance while maintaining strong, clean airflow.
  • Features low-restriction intake tubing that increases air velocity and high-volume airflow for maximum performance gains.
  • Precision-tuned and dyno-validated to enhance throttle response, sharpen acceleration, and improve overall engine efficiency, helping maximize horsepower and drivability.
  • Utilizes washable, reusable, oil-free synthetic filter media that preserves airflow efficiency, traps harmful contaminants, and provides long-term value over disposable filters.

  • Couplers Included: 1
  • Coupler Color/Finish: Black
  • Clamp Color/Finish: Natural
  • Air Filter Material: Non-woven Synthetic
  • Air Filter Color: Red
  • Clamp Style: Regular
  • Air Filter Outlet Shape: Round
  • Clamp Material: Stainless Steel
  • Air Filter Washable: Yes
  • Mass Air Flow Sensor Adapter Included: Yes
  • Mounting Hardware Included: Yes
  • Weight: 11 lb (5 kg)
  • Replacement Filter: 21-203DK
  • Clamps Included: 3
  • Estimated Horsepower Gain: 9.23 HP @ 5643 RPM
  • Intake Pipe Ports: All intake tube ports needed for the specified applications are included

Free Canadian shipping on qualifying orders $399+, with no duties or brokerage. Special order and made-to-order items can't be cancelled or refunded once ordered. Oversized items may carry a handling fee depending on your location; pickup in Mississauga has no fee.

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Free Canadian shipping on qualifying orders $399+

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750,000+ parts from 500+ brands

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