AEM Cold Air Intake

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AEM Cold Air Intake
Increased horsepower
Tuned and dyno-tested to improve acceleration and engine sound
Clear AEM logo also acts as a filter monitor
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 21-815C fits some Audi A4, and Audi A4 Quattro models. See vehicle applications for details.
The 21-815C Performance Cold Air Intake System produces horsepower and torque gains by replacing the restrictive air filter and air intake housing. This air intake system was designed, tuned and dyno-tested to fit specific Audi A4 models. The cone shaped AEM Dryflow air filter is made of a synthetic media which requires no oil and can be used up to 100,000 miles before cleaning (depending on driving conditions). The two piece heat shield keeps hot engine air from entering the air intake system and directs cooler air using the factory inlet scoop. It has been designed to have more air capacity than the factory unit for better air flow. A clear AEM logo also doubles as a window to monitor if the filter needs servicing. The factory vacuum tube mounts directly on the intake tube. The air intake system 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 21-815C vehicle applications to determine the legal status for each vehicle.

Specifications AEM 21-815C Product Specifications
Estimated Horsepower Gain 11 HP @ 3300 RPM
Replacement Filter - 21-209DK
Air Filter Color - Red
Air Filter Material - Non-woven Synthetic
Air Filter Outlet Shape - Round
Clamps Included - 3
Clamp Material - Stainless Steel
Clamp Style - Regular
Couplers Included - 1
Product Style - AEM Cold Air Intake System
Intake Pipe Color / Finish - Black
Intake Pipe Material - Not Applicable
Street Legal In All US States - No
TUV Approved (Europe) - No
Weight - 13 lb (5.9 kg)
Product Box Height - 11.63 in (295 mm)
Product Box Length - 24.38 in (619 mm)
Product Box Width 12.25 in (311 mm)
California Restricted - Not legal for sale or use in California
Mounting Hardware Included - Yes

Horsepower gains based on similar vehicle dynamometer test. Results will vary.

2017 Audi A4 Quattro 2.0L L4 F/I
All Models Street Legal In All US States: No TUV Approved (Europe): No
2017 Audi A4 2.0L L4 F/I
All Models Street Legal In All US States: No TUV Approved (Europe): No

More Information
Part Number 21-815C
Brand AEM
Type of Part Intakes
Engine Fitment 2.0L
Length 25
Width 12
Height 12
Weight 14.000000
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