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AEM 21-846C Cold Air Intake System

Item #:20866599
4.6 rating
Write a review

PKR 147897

Order now and get it around Monday, May 20

Please write in english language only.

In Stock
Imported from USA store
Ships from Ubuy, Sold By :
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120.)
left_quoteIncreased horsepower, low restriction aluminum tubing and a washable oil-free filter media.right_quote

Product Details

  • Increased horsepowererter
  • Heat shield with edge trim liningerter
  • Low restriction aluminum tubingerter
  • Air filter lasts up to 100,000 miles before cleaning is required (depending on driving conditions)erter
  • Washable and reusable oil-free filter mediaerter
BrandAEM
OEM Part Number21-846C
ShapeConical
What's in the boxAir Filter^Intake Tube^Heat Shield^Edge Trim^Fitting^License Plate Frame^Literature Packet^Parts Kit

Product Technical Details

ManufacturerK&N
ModelA
Item Weight9.60 pounds (4.32 kg)
Product Dimensions24 x 14 x 14 inches (61.0 x 35.6 x 35.6 cm)
Item model number21-846C
ExteriorMachined
Manufacturer Part Number21-846C
Date First AvailableOctober 25, 2018
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Customer Questions & Answers

  • Question : What is included in the package?
    Answer : The package comes with a custom shaped heat shield with edge trim lining, a cone-shaped AEM Dryflow air filter, and an air intake tube constructed from mandrel-bent aluminum.
  • Question : How often does the air filter need to be cleaned?
    Answer : The air filter can last up to 100,000 miles before cleaning is required depending on driving conditions.
  • Question : Is this air intake system legal in all states?
    Answer : 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.
  • Question : Does this have a spot for the MAF sensor?
    Answer : Yes it definitely does! And it sounds great!
  • Question : Does this product require a tune after installation?
    Answer : No it does not, however I feel like my car sounds better in the top end with a higher octane gasoline so if you are planning on getting a tune anyway I would highly recommend it
  • Question : I heard that putting in a cold air intake can put out a code and cause the check engine light to come on. has anyone experienced this with the aem?
    Answer : No codes on my 21 5 door premium impreza
  • Question : Hey, how much does it enhance hp on Subaru Impreza 2019 2.0l?
    Answer : I have it on a 21 2.0, an obvious small enhancement to HP and provides a great throaty sound. I also added the peddle commander, all great fun :)
  • Question : Will this work n a 2008 Subaru Outback?
    Answer : No only for 2017-2021 Crosstrek and Impreza 2.0L
  • Question : Will this fit the 2017 Subaru Impreza 2.0i Sport?
    Answer : Yes, perfectly.
  • Question : Why wont this fit a 2022 or a 2023 ?
    Answer : Should fit the 2.0 but not the 2.5
  • Question : is this California legal?
    Answer : No its not legal in Cali.

Customer Ratings

4.6 out of 5
49 customers ratings
  • 5 star
    76%
  • 4 star
    16%
  • 3 star
    5%
  • 2 star
    3%
  • 1 star
    0%

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AEM Air Intake Editorial Review

The AEM 21-846C cold air intake system fits perfectly on 2017-2021 Crosstrek and Impreza 2.0L models. It comes with a step-by-step installation manual that makes it relatively easy to install, although it is recommended to have two people during installation. This product sounds great and has increased gas mileage pretty well. It slightly improves throttle response, growls when the pedal is put down and accelerates much more quickly than usual. However, the bolt holes for the heat shield didn’t line up and some parts might be missing from the box. Installing it has increased engine noise beyond 3000rpm under load. It only slightly improves hp for Subaru Impreza 2019 2.0l, so it is recommended to check dyno results before purchasing.

Pros

  • Relatively easy to install with step-by-step guide
  • Increased gas mileage
  • Improves throttle response and engine sound
  • Accelerates much more quickly than usual

Cons

  • Missing parts might occur
  • Bolt holes for heat shield are not aligned
  • No significant improvement in HP for Subaru Crosstrek 2.0L
  • It might lower fuel efficiency while idling

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AEM 21-846C Cold Air Intake System

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