Air and Fuel› Air Cleaners, Filters, Intakes and Components

AEM Induction

DRYFLOW Cold Air Intake System V6-3.7L

$419.99

SKU: 21-821DS

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Special Order
Ships in 4–6 weeks
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$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The AEM Induction 21-821DS is a cold air intake system designed for the Nissan 370Z V6-3.7L. It features custom-engineered tubes to improve airflow over the stock system. The intake system utilizes AEM's DRYFLOW technology.
Show original supplier description
The AEM Induction 21-821DS is a performance cold air intake system engineered to replace the restrictive stock air filter and housing on your Nissan 370Z V6-3.7L. Utilizing AEM's DRYFLOW technology, it aims to increase horsepower and torque. The intake system is designed, tuned, and dyno-tested to fit specific Nissan 370Z models. It replaces both the left and right side intakes. The system is constructed with a polyethylene intake system. A DRYFLOW Air Filter, part number 21-202DOSK, is used as the replacement filter. The system is rated for use up to 7100 RPM. This intake system is compatible with 2009-2020 Nissan 370Z models. It is noted to provide an estimated 15 HP gain. This product may expose you to Nickel, which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to p65warnings.ca.gov. The product comes with a Limited Lifetime Warranty.
Vehicle Symptoms
  • restricted airflow at high RPM
  • sluggish throttle response
  • engine feels choked above 4,000 RPM
  • lackluster horsepower and torque
  • stock airbox feels restrictive
Relevant Conversations
  • 370Z AEM DRYFLOW cold air intake review
  • AEM 21-821DS install on 370Z how long
  • 370Z stock airbox restriction performance
  • AEM vs Stillen 370Z intake dyno comparison
  • 370Z acceleration feels weak after 5000 rpm
  • Will AEM intake cause check engine light 370Z
  • AEM Dryflow filter cleaning interval
  • best cold air intake for Nissan 370Z V6 3.7
  • 370Z intake sound clip before and after
  • AEM 21-821DS DRYFLOW intake price

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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Specifications

BrandAEM Induction
Part Number21-821DS
CategoryAir and Fuel
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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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