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Item #:
15160649
AEM 21-823DS Cold Air Intake System, 1 Pack, (N)
76% of respondents would recommend this to a friend
Item #:
15160649
PYG 3696742
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Designed to increase horsepower
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What Stands Out
Enhanced Airflow
The AEM 21-823DS Cold Air Intake System increases airflow to the engine, promoting better combustion and engine efficiency, which translates to improved power and throttle response.
Easy Installation
This intake system is designed for a straightforward installation process, allowing DIY enthusiasts to easily upgrade their vehicle without extensive mechanical skills or modifications.
Durable Construction
Constructed with high-quality materials, the AEM Cold Air Intake ensures long-lasting performance and resistance to heat, ensuring that it outperforms competitors while maintaining optimal performance under harsh conditions.
Product Details
- Designed to increase horsepower
- Washable and reusable oil-free filter media
- Air filter lasts up to 100,000 miles before cleaning is required (depending on driving conditions)
- Includes heat shield, intake tube, and AEM dry flow air filter on both left and right sides
- Can be used for some Infinity Q70 models with individual throttle bodies for each bank of cylinders
- Backed by AEM and may have legal restrictions in certain states
| Brand Name | AEM |
| Model Number | AEM-21-823DS |
| OEM Equivalent Part Number | 21-823DS |
| Manufacturer Part Number | AEM-21-823DS |
| Number of Items | 1 |
| Global Trade Identification Number | 00024844366474 |
| Manufacturer | AEM |
| Unit Count | 1 Count |
| UPC | 024844366474 |
| Included Components | No |
| Item Type Name | Cold Air Intake System |
| Item Weight | 14.8 pounds (6.71 kg) |
| Shape | Conical |
| Product Grade | Performance Part |
| Fit Type | Vehicle Specific Fit |
| Automotive Fit Type | Vehicle Specific Fit |
| Brand | AEM |
| OEM Part Number | 21-823DS |
Who Should Buy?
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Performance Enthusiasts
Ideal for car enthusiasts seeking enhanced engine performance and improved throttle response in their vehicles.
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DIY Installers
Great for users who enjoy modifying their vehicles through simple installations without professional help.
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Fuel Efficiency Seekers
Beneficial for drivers looking to improve fuel efficiency and reduce emissions by optimizing airflow.
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Standard Commuters
Not suitable for everyday drivers primarily interested in basic transportation without performance upgrades.
Product Description
AEM 21-823DS Cold Air Intake System, 1 Pack, (N)
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the AEM 21-823DS Cold Air Intake System?
Answer: The AEM 21-823DS Cold Air Intake System is a high-performance air intake designed to enhance engine airflow, improving combustion efficiency and overall vehicle performance. This system is engineered specifically for certain vehicle models to optimize airflow dynamics. By replacing the restrictive factory air intake, it allows cooler and denser air to enter the engine, which can result in increased horsepower and torque. Many users report noticeable improvements in throttle response and acceleration. -
Question:
How does the AEM Cold Air Intake improve engine performance?
Answer: The AEM Cold Air Intake enhances engine performance by allowing a greater volume of cool air to flow into the engine compared to the factory intake system. Cooler air is denser, meaning more oxygen enters the combustion chamber, leading to better fuel combustion, increased power, and improved throttle response. Additionally, a well-designed intake reduces turbulence and improves air velocity. Whether on a racetrack or during everyday driving, users can experience significant performance boosts. -
Question:
What materials are used in the AEM 21-823DS Cold Air Intake System?
Answer: The AEM 21-823DS Cold Air Intake System is made from high-quality, durable materials like lightweight aluminum and high-capacity air filters. The aluminum components ensure strength while minimizing weight, and the air filter is designed to provide maximum airflow while effectively trapping contaminants. This combination facilitates long-term performance and reliability, making it ideal for both daily drivers and performance enthusiasts. -
Question:
Is the AEM 21-823DS Cold Air Intake System street legal?
Answer: Yes, the AEM 21-823DS Cold Air Intake System is street legal in most regions, as it complies with emission standards. It typically comes with a CARB (California Air Resources Board) exemption number, allowing it to be used legally on public roads. However, it's always advisable to check local regulations before installation to ensure compliance with regional laws, especially for those living in areas with stricter emissions controls. -
Question:
Can I install the AEM Cold Air Intake myself?
Answer: Yes, many users find that they can install the AEM Cold Air Intake themselves with basic tools and mechanical skills. The system often comes with detailed installation instructions, including all necessary hardware. For those who are comfortable working on their vehicles, this can be a fulfilling DIY project. However, if you're uncertain about the installation process, seeking professional assistance is recommended to ensure optimal performance. -
Question:
How often should I clean the AEM air filter?
Answer: It is recommended to clean the AEM air filter every 20,000 to 30,000 miles, depending on driving conditions. The reusable air filters are designed for long service life and can be cleaned and re-oiled when necessary. Regular maintenance ensures that your engine continues to receive the best airflow, maximizing performance and efficiency. Keeping the filter clean is especially important if you frequently drive in dusty or off-road conditions. -
Question:
Will installing the AEM 21-823DS Cold Air Intake affect my vehicle's warranty?
Answer: Installing an aftermarket product like the AEM Cold Air Intake may affect your vehicle’s warranty, depending on the terms set by the manufacturer. Generally, if the intake does not cause damage to the vehicle, the warranty should remain intact. However, it's wise to consult your dealer and review your warranty policy before making any modifications. Keeping documentation of the installation and maintaining the system can also be beneficial. -
Question:
What vehicles are compatible with the AEM 21-823DS Cold Air Intake?
Answer: The AEM 21-823DS Cold Air Intake is designed for specific vehicle makes and models, ensuring compatibility for optimal performance. It's important to check the product specifications to confirm if your vehicle is supported. This system is ideal for enthusiasts who want to upgrade their vehicle's performance, but ensuring compatibility is key to achieving the desired results without any alterations. -
Question:
What are the noise levels like with this cold air intake system?
Answer: The AEM 21-823DS Cold Air Intake System typically generates a deeper engine sound that many drivers find appealing. Unlike the factory systems that may sound muted, AEM's design allows for a more aggressive tone, especially under acceleration. This enhanced auditory feedback can improve the driving experience, making it particularly popular among performance car enthusiasts who appreciate the sound of a powerful engine. -
Question:
Where can I buy the AEM 21-823DS Cold Air Intake System in Paraguay?
Answer: You can purchase the AEM 21-823DS Cold Air Intake System from Ubuy in Paraguay. Ubuy offers a wide selection of automotive performance parts, including AEM products, along with competitive pricing and customer service. Shopping through Ubuy ensures that you receive genuine products efficiently, making it a popular choice among enthusiasts looking to enhance their vehicle's performance.
AEM Air Intake AEM-21-823DS Editorial Review
The AEM 21-823DS Cold Air Intake System is designed to increase horsepower by up to 8hp. While it is advertised as compatible with several Infiniti models, it is important to verify compatibility before purchasing as there are conflicting responses from customer service. The installation process is fairly straightforward and does not appear to require any specialized tools. However, it is important to note that the air filter may need to be cleaned periodically in order to maintain optimal performance.
Customer Reviews & Ratings
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Pros
- Increases horsepower by up to 8hp
- Straightforward installation process
- Compatible with 2013 G37 Sedan 3.7 and 2010 G37 Coupe 3.7 models
Cons
- Compatibility with various Infiniti models is not clearly defined
Platform Trust & Buyer Confidence
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
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PYG 3696742
Order now and get it around Tuesday, October 06
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Features & Benefits
- Twin intake system designed for Infinity Q70 models
- Replaces factory air box, tube, and filter
- Includes heat shield, intake tube, and AEM dry flow air filter
- Can be used for up to 100,000 miles before cleaning
- Both factory MAF sensors mount directly on the intake tube
- Backed by AEM
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