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AEM Cold Air Intake System Subaru WRX STI 2018 2.5L (21-836WR)

AEM Induction
AEM21-836WR
In stock
Cold Air Intakes
$349.99
Unlock sharper throttle response and improved breathing with the AEM Cold Air Intake System, engineered to...
$349.99

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AEM Cold Air Intake System Subaru WRX STI 2018 2.5L (21-836WR)

Unlock sharper throttle response and improved breathing with the AEM Cold Air Intake System, engineered to suit the Subaru WRX STI 2018 2.5L. Built by AEM Induction, this intake is designed to optimise airflow while maintaining excellent filtration for performance-minded street and enthusiast use.

Key Features

  • High-flow intake design: Helps reduce restriction for improved engine airflow.
  • AEM Dryflow filter: Oversized synthetic media filter that’s washable and reusable.
  • Heat shield included: Helps reduce heat soak and supports cooler intake air temps.
  • Direct-fit layout: Designed to sit in the factory air box location for a clean install.

Vehicle Fitment

Subaru WRX STI 2018 2.5L

Fitment disclaimer: Check your vehicle details before ordering.

Benefits

  • Potential gains: Supports increased horsepower and torque (results vary by vehicle).
  • Better drivability: Improved response and stronger acceleration feel.
  • Lower running costs: Washable filter reduces replacement frequency.

Why Buy From Us

  • NZ & AU focused support: Helpful advice before you buy.
  • Genuine parts: Supplied from trusted brands.
  • Fast shipping: Local dispatch options across New Zealand and Australia.
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Effective Date: October 2024
We offer a 30-day return policy, allowing you to request a return within 30 days of receiving your item. To qualify for a return, the item must be in its original condition—unused, with tags, and in its original packaging. A receipt or proof of purchase is also required.

To initiate a return, please contact us at info@riotparts.com. Returns must be shipped to the address provided upon request. If your return is approved, we will issue a return shipping label along with detailed instructions.

Important
Returns sent without prior authorization will not be accepted.

For any return-related inquiries, please reach out to us at info@riotparts.com.

Return Shipping Address
The return shipping address will be determined based on the requestor’s location to ensure the nearest return facility is used.

Possible return locations include:
• 10880 Lear Blvd.
Reno, NV 89506, United States
• 931 W. Bardin Rd., Suite 150–200
Arlington, TX 76017, United States
• 3035 Campus Dr.
Hatfield, PA 19440, United States
• 5789 N. Graham Road, Ste 200
Whiteland, IN 46184, United States
• 2020 NE Aloclek Dr 4711 N Lamon Ave
#118 STE 12, Hillsboro, OR 97124, United States

Damages and Issues
We recommend inspecting your order upon receipt. If you find that an item is defective, damaged, or if you received the wrong item, please contact us immediately so we can address the issue.

Exceptions / Non-Returnable Items
Certain items cannot be returned, including:
• Electrical parts that have been installed or used
• Special order parts that were custom ordered for you
• Items that have been damaged due to improper installation or use

If you have questions or concerns about a specific item, please contact us for assistance.

Exchanges
For exchanges, the quickest option is to return the item you have. Once the return is accepted, you can make a separate purchase for the new item.

Refunds
We will notify you once we receive and inspect your return to inform you whether your refund is approved. If approved, you will be automatically refunded using your original payment method within 10 business days. Please be aware that it may take additional time for your bank or credit card company to process and post the refund.

If more than 15 business days have passed since your return was approved and you haven’t received your refund, please contact us at info@riotparts.com.

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