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  3. AEM INDUCTION 21-545P

AEM INDUCTION 21-545P Air Intake 840879002930 V6 3.5L

fits model: Se, Altima. make: Nissan. year: 2002–2006.

21-545p Aem Induction 02-06 Nissan Altima Cold Air Intake System V6 3.5l Se-r

( Brand: Aem Induction ), ( Manufacturer Part Number: 21-545P ), ( Part Type: Intake ), ( Manufacturer Warranty: Lifetime ), ( UPC: 840879002930 ), ( Surface Finish: Polished ), ( Material: Aluminum ), ( Country/region Of Manufacture: United States ), ( Universal Fitment: No ), ( Performance Part: Yes )

Review AEM INDUCTION Nissan Cold Air Intake System V6 3.5l Se r fits ALTIMA SE 2002–2006

The AEM Induction 21-545P Air Intake System is a performance upgrade for select 2002-2006 Nissan Altima SE-R models equipped with the 3.5L V6 engine. This air intake system, designed by AEM Autosport a leading innovator in aftermarket performance parts is engineered to deliver improved power and acceleration by enhancing the engine's air intake capabilities.

This air intake system features a high-flow, open-element, cast-aluminum air filter housing. The large, open design reduces airflow restriction, allowing for more air to be taken in during each intake cycle. The included AEM Dryflow synthetic air filter boasts a large filtering surface area and can effectively trap particles as small as 10 microns, ensuring cleaner air enters the engine.

The AEM Induction 21-545P Air Intake System also includes a reinforced, rubber intake tube that reduces intake tract turbulence, resulting in smoother and more consistent engine performance. The system's large, conical air filter element is designed to accommodate the increased airflow and ensures a proper seal against the intake manifold.

Additionally, this air intake system comes with a replacement MAF sensor housing. The MAF sensor is a crucial component of the engine's fuel delivery system, and this new housing ensures a proper connection and accurate airflow measurement. The system also includes all necessary hardware for a straightforward installation process.

By upgrading your Nissan Altima SE-R's air intake system with the AEM Induction 21-545P Air Intake System, you'll experience increased horsepower and torque, improved engine response, and a more exhilarating driving experience. The system's high-quality components are designed to last, and the open-element filter design ensures easy maintenance.

In summary, the AEM Induction 21-545P Air Intake System is a performance upgrade for your 2002-2006 Nissan Altima SE-R with a 3.5L V6 engine. This system delivers improved power and acceleration by enhancing the engine's air intake capabilities, ensuring cleaner air enters the engine and promoting smoother, more consistent engine performance.

Pros and Cons of Buying AEM Induction Air Intake System (21-545P) for 02-06 Nissan Altima V6 3.5L SE-R

The AEM Induction Air Intake System (Part Number: 21-545P) is a popular aftermarket upgrade for the 02-06 Nissan Altima V6 3.5L SE-R. This intake system aims to enhance engine performance and provide better throttle response. Let's examine the key advantages and potential drawbacks of this product.

Pros:

1. Enhanced Performance: The AEM intake system is designed to provide smoother and more consistent airflow to the engine, which can lead to increased horsepower and torque.

2. Better Throttle Response: The intake system's larger and less restrictive air filter can result in improved throttle response, making the vehicle feel more responsive when accelerating.

3. High-Quality Materials: AEM uses high-quality materials and construction techniques to ensure the durability and reliability of their products.

4. Easy Installation: The intake system typically comes with all necessary mounting hardware and detailed instructions for a straightforward installation process.

5. Improved Engine Sound: Some users report that the AEM intake system adds a more distinctive engine sound, which can be an appealing benefit for performance enthusiasts.

Cons:

1. Higher Cost: The AEM intake system is a more expensive upgrade compared to the stock intake system, which may deter some buyers.

2. Potential Increase in Cabin Filter Dust: Due to the larger air filter, some users have reported an increase in cabin filter dust, which may require more frequent filter replacements.

3. Potential Check Engine Light: In some cases, installing an aftermarket intake system like the AEM 21-545P may trigger the check engine light. This is usually due to the vehicle's onboard computer recognizing the change in the intake system and requiring a specific tune or calibration.

Conclusion:

The AEM Induction Air Intake System (21-545P) for the 02-06 Nissan Altima V6 3.5L SE-R offers several advantages, including improved performance, better throttle response, high-quality materials, easy installation, and an enhanced engine sound. However, potential drawbacks include a higher cost, increased cabin filter dust, and the possibility of triggering the check engine light.

Recommendation:

If you are looking for a noticeable improvement in engine performance and throttle response for your 02-06 Nissan Altima V6 3.5L SE-R, the AEM Induction Air Intake System (21-545P) is an excellent choice. However, be prepared for the additional cost and potential issues with cabin filter dust and the check engine light. It is recommended to follow the installation instructions carefully and consider having the vehicle tuned or calibrated to ensure optimal performance and to avoid any potential issues.

Details:

Has a couple scratches and rub marks. The 02-06 Nissan Altima AEM Induction 21-545P Cold Air Intake System is a high-performance aftermarket part designed specifically for V6 3.5L SE-R model's. It is a performance part that enhances air and fuel delivery, offering improved engine efficiency power output. Made of polished aluminum, this intake system is manufactured by AEM Induction in the USA and comes with a lifetime warranty.

specifications airfueldepo:

  • for models: Se, Altima
  • for makes: Nissan
  • for years: 2002-2006
  • brand: Aem Induction
  • mpn: 21-545p
  • part type: Intake
  • manufacturer warranty: Lifetime
  • upc: 840879002930
  • surface finish: Polished
  • material: Aluminum
  • country/region of manufacture: United States
  • universal fitment: No
  • performance part: Yes

general airfueldepo:

  • Car Truck Parts Accessories > Air Fuel Delivery > Other Air Fuel Delivery
  • condition: Used

offer airfueldepo:

  • quantity: 1
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • started: August 25, 2025

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  • carrier: USPS
  • transit: 4-11 Days
  • class: Standard
  • type: Calculated

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  • # reviews: 2069
  • city: Salt Lake City, Utah
  • rating: 100.0%
for models: se, altima, for makes: nissan, for years: 2002-2006, part type: intake, manufacturer warranty: lifetime, surface finish: polished, country/region of manufacture: united states, universal fitment: no, performance part: yes,
category: auto parts > car truck parts accessories > air fuel delivery, material: aluminum, sku: 9895919541663771,

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