Description
The AEM 21-545P 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 relocated to the driver-side wheel well which is designed to reduce intake air temperature and increase horsepower. The intake tubing is constructed from mandrel-bent aluminum featuring a durable mirror-polished 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 a replacement silicone engine breather hose. 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 21-545P vehicle applications to determine the legal status for each vehicle.
AEM’s Performance Cold Air Intake Systems are designed, tuned and dyno-tested to give your engine more power and acceleration by replacing the restrictive factory air filter, air intake tubing and air box assembly.
- Washable and reusable oil-free filter media
- AEM Lifetime Limited Warranty
Fitment:
2002 Nissan Altima Base
2002 Nissan Altima S
2002 Nissan Altima SE
2002 Nissan Altima SL
2003 Nissan Altima Base
2003 Nissan Altima S
2003 Nissan Altima SE
2003 Nissan Altima SL
2004 Nissan Altima SE
2005 Nissan Altima SE
2005 Nissan Altima SE-R
2005 Nissan Altima SL
2006 Nissan Altima SE
2006 Nissan Altima SE-R
2006 Nissan Altima SL
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