AEM 21-821DS Cold Air Intake — Fits 2009-2020 Nissan 370Z 3.7L

SKU: AEM21-821DS
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About AEM Induction

AEM Induction engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full AEM Induction lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Elevate Your Nissan 370Z's Performance with the AEM 21-821DS Cold Air Intake

Unlock the full potential of your 2009-2020 Nissan 370Z with the AEM 21-821DS Performance Cold Air Intake System. This comprehensive upgrade replaces both the left and right side restrictive air filters and intake housings, delivering significant gains in horsepower and torque for your 3.7L V6 engine.

Engineered for the 370Z

The AEM 21-821DS is specifically designed, tuned, and dyno-tested for various Nissan 370Z models, including Base, Sport, Touring, Nismo, and special editions. It features two AEM Dryflow synthetic washable air filters, which require no oiling and can last up to 100,000 miles before servicing. The system includes a two-piece heat shield that effectively utilizes the factory air ducting to insulate the filters from engine bay heat, ensuring a consistent supply of cold, dense air.

Key Features and Benefits:

  • Vehicle Specific Fitment: Designed for 2009-2020 Nissan 370Z models with the 3.7L V6 engine.
  • Dual Intake Design: Replaces both left and right factory air intake systems for maximum airflow.
  • Increased Horsepower & Torque: Proven performance gains through optimized airflow.
  • AEM Dryflow Air Filters: Two oil-free, synthetic filters offer excellent filtration and longevity.
  • Efficient Heat Shielding: Two-piece design with factory ducting integration minimizes heat soak.
  • Mandrel-Bent Aluminum Tubing: Features a durable gray powder coat finish for a premium look.
  • Mass Air Flow Sensor Compatibility: Designed to accommodate the factory MAF sensor and PCV hose.
  • CARB Approved: Meets CARB standards (EO D-670-25), ensuring legal installation in California and other emissions-controlled states.
  • Lifetime Limited Warranty: Backed by AEM's renowned warranty for peace of mind.

The AEM 21-821DS Cold Air Intake is the ultimate performance upgrade for your Nissan 370Z, enhancing both power and auditory experience. Get yours today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2009-2017 Nissan 370Z Nismo
2009-2019 Nissan 370Z Touring
2009-2020 Nissan 370Z Base
2010 Nissan 370Z 40th Anniversary Edition
2015-2018 Nissan 370Z Nismo Tech
2015-2018 Nissan 370Z Touring Sport
2015-2020 Nissan 370Z Sport
2018-2019 Nissan 370Z Heritage Edition
2019-2020 Nissan 370Z Nismo
2019-2020 Nissan 370Z Sport Touring

Product Details

Product Description
Part Numbers
Sizing & Fit

About AEM Induction

AEM Induction engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full AEM Induction lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Elevate Your Nissan 370Z's Performance with the AEM 21-821DS Cold Air Intake

Unlock the full potential of your 2009-2020 Nissan 370Z with the AEM 21-821DS Performance Cold Air Intake System. This comprehensive upgrade replaces both the left and right side restrictive air filters and intake housings, delivering significant gains in horsepower and torque for your 3.7L V6 engine.

Engineered for the 370Z

The AEM 21-821DS is specifically designed, tuned, and dyno-tested for various Nissan 370Z models, including Base, Sport, Touring, Nismo, and special editions. It features two AEM Dryflow synthetic washable air filters, which require no oiling and can last up to 100,000 miles before servicing. The system includes a two-piece heat shield that effectively utilizes the factory air ducting to insulate the filters from engine bay heat, ensuring a consistent supply of cold, dense air.

Key Features and Benefits:

  • Vehicle Specific Fitment: Designed for 2009-2020 Nissan 370Z models with the 3.7L V6 engine.
  • Dual Intake Design: Replaces both left and right factory air intake systems for maximum airflow.
  • Increased Horsepower & Torque: Proven performance gains through optimized airflow.
  • AEM Dryflow Air Filters: Two oil-free, synthetic filters offer excellent filtration and longevity.
  • Efficient Heat Shielding: Two-piece design with factory ducting integration minimizes heat soak.
  • Mandrel-Bent Aluminum Tubing: Features a durable gray powder coat finish for a premium look.
  • Mass Air Flow Sensor Compatibility: Designed to accommodate the factory MAF sensor and PCV hose.
  • CARB Approved: Meets CARB standards (EO D-670-25), ensuring legal installation in California and other emissions-controlled states.
  • Lifetime Limited Warranty: Backed by AEM's renowned warranty for peace of mind.

The AEM 21-821DS Cold Air Intake is the ultimate performance upgrade for your Nissan 370Z, enhancing both power and auditory experience. Get yours today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2009-2017 Nissan 370Z Nismo
2009-2019 Nissan 370Z Touring
2009-2020 Nissan 370Z Base
2010 Nissan 370Z 40th Anniversary Edition
2015-2018 Nissan 370Z Nismo Tech
2015-2018 Nissan 370Z Touring Sport
2015-2020 Nissan 370Z Sport
2018-2019 Nissan 370Z Heritage Edition
2019-2020 Nissan 370Z Nismo
2019-2020 Nissan 370Z Sport Touring

Product Details

Product Description

About AEM Induction

AEM Induction engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full AEM Induction lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Elevate Your Nissan 370Z's Performance with the AEM 21-821DS Cold Air Intake

Unlock the full potential of your 2009-2020 Nissan 370Z with the AEM 21-821DS Performance Cold Air Intake System. This comprehensive upgrade replaces both the left and right side restrictive air filters and intake housings, delivering significant gains in horsepower and torque for your 3.7L V6 engine.

Engineered for the 370Z

The AEM 21-821DS is specifically designed, tuned, and dyno-tested for various Nissan 370Z models, including Base, Sport, Touring, Nismo, and special editions. It features two AEM Dryflow synthetic washable air filters, which require no oiling and can last up to 100,000 miles before servicing. The system includes a two-piece heat shield that effectively utilizes the factory air ducting to insulate the filters from engine bay heat, ensuring a consistent supply of cold, dense air.

Key Features and Benefits:

  • Vehicle Specific Fitment: Designed for 2009-2020 Nissan 370Z models with the 3.7L V6 engine.
  • Dual Intake Design: Replaces both left and right factory air intake systems for maximum airflow.
  • Increased Horsepower & Torque: Proven performance gains through optimized airflow.
  • AEM Dryflow Air Filters: Two oil-free, synthetic filters offer excellent filtration and longevity.
  • Efficient Heat Shielding: Two-piece design with factory ducting integration minimizes heat soak.
  • Mandrel-Bent Aluminum Tubing: Features a durable gray powder coat finish for a premium look.
  • Mass Air Flow Sensor Compatibility: Designed to accommodate the factory MAF sensor and PCV hose.
  • CARB Approved: Meets CARB standards (EO D-670-25), ensuring legal installation in California and other emissions-controlled states.
  • Lifetime Limited Warranty: Backed by AEM's renowned warranty for peace of mind.

The AEM 21-821DS Cold Air Intake is the ultimate performance upgrade for your Nissan 370Z, enhancing both power and auditory experience. Get yours today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2009-2017 Nissan 370Z Nismo
2009-2019 Nissan 370Z Touring
2009-2020 Nissan 370Z Base
2010 Nissan 370Z 40th Anniversary Edition
2015-2018 Nissan 370Z Nismo Tech
2015-2018 Nissan 370Z Touring Sport
2015-2020 Nissan 370Z Sport
2018-2019 Nissan 370Z Heritage Edition
2019-2020 Nissan 370Z Nismo
2019-2020 Nissan 370Z Sport Touring

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