AEM Cold Air Intake

SKU
21-499C, 21-499P
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AEM Cold Air Intake
Increased horsepower
Tuned and dyno-tested to improve acceleration and engine sound
Low restriction aluminum tubing
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 21-499 fits some Nissan Altima models. See vehicle applications for details.
The AEM 21-499 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 Nissan Altima 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 with a replacement fresh air inlet with tubing that is designed to reduce intake air temperature and increase horsepower. The intake tubing is constructed from mandrel-bent aluminum featuring a durable gunmetal gray powder coated finish. This air intake system was developed to accommodate the engine’s factory emissions control devices including the mass air flow sensor and PCV resonator. 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 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 21-499C vehicle applications to determine the legal status for each vehicle.

Specifications AEM 21-499 Product Specifications
Estimated Horsepower Gain - 6.0 HP @ 5000 RPM
Replacement Filter - 21-203DK
Air Filter Color - Red
Air Filter Material - Non-woven Synthetic
Air Filter Outlet Shape - Round
Clamps Included - 8
Clamp Material - Steel
Clamp Style - Regular
Couplers Included - None
Product Style - AEM Cold Air Intake System
Air Filter Height - 5.125 in (130 mm)
Intake Pipe Color / Finish - Gunmetal Gray
Intake Pipe Material - Aluminum
CARB EO Number - D-670-21
Street Legal In All US States - Yes
TUV Approved (Europe) - No
Weight - 8 lb (3.6 kg)
Air Filter Large End Diameter - 6 in (152 mm)
Product Box Height - 12.25 in (311 mm)
Product Box Length - 20.25 in (514 mm)
Product Box Width - 12.25 in (311 mm)
Mounting Hardware Included - Yes

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

Applications:
2011 Nissan Altima 3.5L V6 F/I
All Models Street Legal In All US States:Yes
CARB EO Number: D-670-21 TUV Approved (Europe): No
2010 Nissan Altima 3.5L V6 F/I
All Models Street Legal In All US States:Yes
CARB EO Number: D-670-21 TUV Approved (Europe): No
2009 Nissan Altima 3.5L V6 F/I
All Models Street Legal In All US States:Yes
CARB EO Number: D-670-21 TUV Approved (Europe): No
2008 Nissan Altima 3.5L V6 F/I
All Models Street Legal In All US States:Yes
CARB EO Number: D-670-21 TUV Approved (Europe): No
2007 Nissan Altima 3.5L V6 F/I
All Models Street Legal In All US States:Yes
CARB EO Number: D-670-21 TUV Approved (Europe): No

More Information
Part Number 21-499C, 21-499P
Brand AEM
Type of Part Intakes
Engine Fitment 3.5L
Length 24
Width 12
Height 12
Weight 13.000000
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