Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours ยท Estimated delivery Jul 8 - Jul 13
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Description
AEM 2018 Subaru WRX STI 2.5L H4 F/I Cold Air Intake System - Wrinkle RedThe AEM 21 836WR 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 STI 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
The AEM 21-836WR 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 STI 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 textured red 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 21-836WR vehicle applications to determine the legal status for each vehicle.Technical Drawing
Installation Instructions
Installation Instructions
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2018 | Subaru | WRX STI | Base |
| 2018 | Subaru | WRX STI | Limited |
| 2018 | Subaru | WRX STI | Type RA |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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Based on 274 reviews
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Product Reviews
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5
Yesss!
Highly recommend these! They work wonders!!!
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Reviewed in the United States on May 21, 2026
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5
It works
Yup this definitely works as advertised on tiktok. I was skeptical at first. It also brightens the dark spots like under arms etc.
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Reviewed in the United States on April 15, 2026
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5
Works great
Works great. I had my mom try it and she instantly had me order some for her
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Reviewed in the United States on April 1, 2026
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5
Very pleased
These are great after seeing all the hype on social media I tried it and it didnt let me down. It gets all the dead skin in makes ur face look so rejuvenated.
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Reviewed in the United States on March 15, 2026
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5
Para quitar puntos negros
Amo hija si le sirviรณ mucho para sus barritas y espinilla
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Reviewed in the United States on June 3, 2026