AEM Induction 21-821DS Performance Cold Air Intake System for Nissan 370Z

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Regular price $419.99 USD Sale price $419.99 USD Regular price $419.99 USD
9 in stock!
SKU: aem21-821DS
Product Description
The 21-821DS 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 Nissan 370Z models. This system replaces both the left and right side intakes. The AEM Dryflow synthetic washable air filter does not require oiling and can be used up to 100,000 miles before servicing is needed (depending on driving conditions). The heatshield is a two piece design and also utilizes the factory air ducting. The intake tube is constructed from mandrel bent aluminum and has a durable gray powder coat finish. This air intake system was developed to accommodate the mass air flow sensor and PCV hose. 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 21-821DS vehicle applications to determine the legal status for each vehicle. The 21-821DS Performance Cold Air Intake System produces horsepower and torque gains by replacing the restrictive air filter and air intake housing. This system replaces both the left and right side intakes.
  • Utilizes washable, reusable, oil-free synthetic filter media that preserves airflow efficiency, traps harmful contaminants, and provides long-term value over disposable filters.
  • AEM Lifetime Limited Warranty

Upgrade your Nissan 370Z with the AEM Induction 21-821DS Performance Cold Air Intake System, designed to enhance horsepower and torque by replacing restrictive factory air intake components. This system replaces both left and right side intakes, ensuring improved airflow and engine performance. Crafted from mandrel bent aluminum with a durable gray powder coat finish, the intake tube provides optimal airflow efficiency while resisting corrosion. The heatshield features a two-piece design that integrates with the factory air ducting, maintaining proper temperature control for the intake air and further boosting engine response. The included AEM Dryflow synthetic washable air filter is oil-free, reusable, and capable of lasting up to 100,000 miles before servicing, depending on driving conditions. It effectively traps harmful contaminants while maintaining high airflow, providing long-term value and consistent performance. The intake system is engineered to accommodate the vehicle’s mass air flow sensor and PCV hose, ensuring seamless installation and reliable operation. Backed by AEM’s Lifetime Limited Warranty, this cold air intake is a proven upgrade for enthusiasts seeking increased power and efficiency from their Nissan 370Z. Note that some AEM intakes may not be legal for sale or use in California and other states with California emission standards; please verify vehicle application for legal compliance.

Features:

  • Utilizes washable, reusable, oil-free synthetic filter media that preserves airflow efficiency, traps harmful contaminants, and provides long-term value over disposable filters.
  • Constructed from mandrel bent aluminum with a durable gray powder coat finish for corrosion resistance and optimal airflow.
  • Two-piece heatshield design that integrates with factory air ducting to maintain proper intake air temperature.
  • Accommodates the factory mass air flow sensor and PCV hose for seamless installation.
  • Backed by AEM's Lifetime Limited Warranty for long-term confidence and support.

To provide faster delivery and turn around time; Kami Speed ships products out from different warehouses throughout the United States. Usually averaging 1-4 business days for processing prior to shipping.

Depending on the package, we ship using different carriers according to the item's location, content, and size.

Freight truck & international items, will require up to 7 business days to ship due to size and logistics.

All orders made after 3:00pm ET will be processed the next business day.

Unless otherwise noted as "In Stock" with qty amount. Pre-Orders, Special orders, & Made to order items have an estimate of 5+ weeks for USA made parts and 10+ weeks for JDM/ Overseas parts. Please check with us for exact ETA as it will vary by brand and item.

Orders over $500 will ship insured and over $1,000 with signature and insurance in order to guarantee delivery. Orders over $1000 may not be able to ship to a different address not listed as the billing address or confirm payment address from the form of payment used. Orders with suite numbers, different billing, or apartment numbers will require signature if valued over $200.

Delivery Inspection & Damage Claims

Large, oversized, fragile, and performance parts must be inspected immediately upon delivery and before installation. Damage, missing parts, incorrect items, or cosmetic concerns must be reported within 3 business days of delivery with photos of the product, outer box, inner packaging, and shipping label.

Please keep all packaging until the item has been fully inspected. Claims may be denied if the item has been installed, mounted, modified, test-fitted, used, reported late, or if the packaging has been discarded.

All international orders outside of the USA are subject to duties and taxes fees per your countries jurisdiction and determined by customs. Refusal to pay duties/taxes fees prior to delivery will have the product sent back to us. This will be treated a standard return and all fees including original and refusal shipping fees will be deducted from original amount.


Kami Speed serves the right to ship using an alternative method if we see it fit, in order to expedite shipping and reduce your rate depending on product value.

Processing and logistics on in stock international orders will take up to 7 business days to process & ship as sometimes we only have 1 international pickup a week.

In stock, non pre-orders or special order items can be returned within 30 days of the product arriving to your house or place of work.

30 days, unused. Refund = item price minus 20% restocking fee. Original shipping is non-refundable. Return shipping (if we provide label) is also deducted.

Returns will NOT be accepted on Clearance Items, Final Sales, Special Orders, Pre-Orders, Opened, Installed, Incomplete, or Otherwise Used Products. In order to initiate a return, an RMA number must be requested and approved via e-mail

Any loan orders will have a 10% cancelation fee to cover the loan processing fees or 3rd party merchant fees. No fee will be incurred if used as store credit.

For complete details on our return policy, please see our Help and FAQ link under HELPFUL INFO.

WARNING: Operating, servicing and maintaining a passenger vehicle or off-highway motor vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to www.P65Warnings.ca.gov/passenger-vehicle.