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Free Shipping Over $299.99

Free Shipping Over $299.99

Orders of $299.99 or more ship free within the continental U.S.
Shipping to Alaska and Hawaii is additional and not included.
We do not ship international at this time.

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This part does not have vehicle specific fitment. Please contact us if you need fitment assistance.

AEM Dryflow Filter 3.5"
Part Number: 21-204DK

★★★★★ ★★★★★ 4 Reviews
AEM Dryflow Filter 3.5
AEM Dryflow Filter 3.5
Images may be for reference only

AEM Dryflow Filter 3.5"
Part Number: 21-204DK

★★★★★ ★★★★★ 4 Reviews

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Product Details

Part Number: 21-204DK
Brand: AEM Intakes
Color: Red
Size: 3.50 in (88.90 mm)
UPC: 840879014858

AEM Dryflow Air Filters are washable synthetic air filters designed for an optimum combination of air flow, filtration, and performance. AEM Dryflow filters use an innovative high performance oil-free filtration material that allows easy cleaning, durable service, and excellent filtration.


  • Air Filter Material: Non-woven Synthetic
  • Air Filter Shape: Tapered Conical
  • Base Outside Diameter: 6 in (152 mm)
  • Flange Type: Centered
  • Flanges: 1
  • Flange Length: 1.375 in (35 mm)
  • Flange Inside Diameter: 3.5 in (89 mm)
  • Height: 5.25 in (133 mm)
  • Top Outside Diameter: 5.125 in (130 mm)
  • Top Style: Rubber
  • Washable: Yes
  • Product Style: AEM Dryflow Round Tapered Air Filter
  • Filter Material: Non-woven Synthetic
  • Air Filter Color: Red
  • Air Filter Large End Diameter: 6 in (152 mm)
  • Inner Structural Support: No
  • Warranty: Limited Lifetime

Due to the manufacturer's price control policy, this item may be excluded from promotions and discounts

WARNING: This product may contain chemicals known to the State of California to cause cancer or birth defects.

Vehicle Fitment

This part does not have vehicle specific fitment

4 Reviews ★★★★★ ★★★★★

★★★★★ ★★★★★
4.75/5.00 Stars out of 4 Reviews
Write a Review
Product review
Eric Tcheordikian | August 1st, 2020
Filter works great, no damage in shipping. Loved the stickers that came with the part! My only hang ups are the wrong sized banding to hold the filter to my intake was sent in the box. I also didn
Good product
Jesus Garcia | February 3rd, 2014
Replaced the open funnel filter on my AEM V2 with this one. Fits perfect and sounds smoother a cold start.
David Serrano | January 8th, 2014
this intake filter is even better than my previous one. good air flow and sounds great
Works Great
Johnny | March 15th, 2010
Fit perfect, easy install on AEM v2 intake