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Part:   21-802C

AEM 21-802C Cold Air Intake

AEM Cold Air Intake System
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   3.7
  • Increased horsepower
  • Tuned and dyno-tested to improve acceleration and engine sound
  • Low restriction aluminum tubing
  • Easy to install using commonly available tools
  • Air filter lasts up to 100,000 miles before cleaning is required (depending on driving conditions)
  • Washable and reusable oil-free filter media
  • AEM Lifetime Limited Warranty

The AEM 21-802C fits some Audi A3, Audi A3 Quattro, Volkswagen Golf, Volkswagen Golf R, and Volkswagen GTI models. See vehicle applications for details.
AEM Cold Air Intake Systems are designed to produce horsepower and torque gains. They replace the restrictive factory airbox and air filter to give you better performance and better engine sound. AEM cold air intakes relocate the air filter outside the engine compartment so cooler air can be fed into your engine. Cooler air carries more oxygen, which translates into a more intense explosion in the combustion chamber for more horsepower and torque. AEM Cold Air Intakes include an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration, and performance while allowing easy oil-free cleaning. They include a mandrel-bent aluminum intake tube and high quality hardware designed to reduce restriction and reduce intake temperature. The design and components of each intake system vary so consult the installation instructions for more information on the contents of each part number. This Air Intake cannot be sold in California. It is not legal for use in California or other states adopting California emission standards.

[More Info on AEM Cold Air Intakes and Performance Air Intake Systems]
Specifications AEM 21-802C Product Specifications
Estimated Horsepower Gain14 HP @ 4500 RPM
Replacement Filter21-2113DK
Air Filter ColorRed
Air Filter MaterialNon-woven Synthetic
Air Filter Outlet ShapeRound
Clamps Included3
Clamp MaterialStainless Steel
Clamp StyleRegular
Couplers Included1
Product StyleAEM Cold Air Intake System
Intake Pipe Color / FinishGunmetal Gray
Intake Pipe MaterialAluminum
Street Legal In All US States No
TUV Approved (Europe)No
Weight12.6 lb (5.7 kg)
Product Box Height12.25 in (311 mm)
Product Box Length20.25 in (514 mm)
Product Box Width12.25 in (311 mm)
California RestrictedNot legal for sale or use in California
Mounting Hardware IncludedYes
WarrantyLimited Lifetime

Horsepower gains based on similar vehicle dynamometer test. Results will vary.
WARNING: Cancer and reproductive
Reviews Product Reviews

Anthony Artau from Gibsonton, Florida
June 27, 2018 - Part 21-802C
Good fitment (with comments), noticeable gains, very nice engine sound. Taps windshield washer reservoir neck on its neck with the filter at start and during abrupt acceleration. I attempted to adjust with no success. Seems to be just slightly too long to allow this. I do not want to return this because I really like this but is there anyway to have it shortened to prevent this without causing the intake damage? I am concerned that it will either wear a hole in the reservoir or wear a hole on the edge of the filter; which I would prefer neither. Will gladly assist in anyway to assist in the further refinement of the quality of this product. This is the second car that I have owned that had an AEM intake on it. Please let me know which direction you would like for me to go. You are welcome to contact me any time regarding this.
Todd from Canada
June 17, 2018 - Part 21-802C
Install was easy, looks good, unfortunately my car is noticeably slower(18 golf tsi).
William Lawson from Greensboro, North Carolina
December 4, 2017 - Part 21-802C
Easy install and easy to follow instructions. I would advise anyone who is installing as a DIY to be careful when pulling on the turbo inlet tubing and any other tubes that required for removal. I downloaded the PDF version of the instruction manual via AEM's website. This may help anyone who needs a clearer visual versus the included black and white manual that was shipped. The CAI also came with two nice and bright AEM decals and an AEM license plateframe. After install, MPGs are up a lil' bit, a bit more torque-y on the low-end, the natural turbo sounds are easier to hear on a 2017 MK7.5 GTI. The BOV sounds are easier to hear as well.