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AEM Induction 21-867C - AEM C.A.S. 18-20 Kia Stinger L4-2.0L F/I Cold Air Intake

AEM Induction 21-867C - AEM C.A.S. 18-20 Kia Stinger L4-2.0L F/I Cold Air Intake

4.7(77 ratings)

Best price now

$369.99at EDO PerformanceChecked 1 h ago

Compared across 13 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Lowest price today: $369.99 at EDO Performance (checked Nov 12, 2026).
  • Checked at 13 stores.

Our take on the AEM Induction 21-867C - AEM C.A.S. 18-20 Kia Stinger L4-2.0L F/I Cold Air Intake

The AEM C.A.S. 21-867C is a cold air intake system for the 2018-2020 Kia Stinger with the 2.0L turbo four. It replaces the factory air box, filter and intake tube with a mandrel-bent aluminum tube in a gunmetal gray powder coat, an oversized oil-free Dryflow synthetic filter, and a heat shield that sits in the original air box space. AEM tunes and dyno-tests each application, and the kit keeps the factory mass airflow sensor and breather tube connections. It suits Stinger 2.0L owners who want more intake sound and a reusable filter without an oiled element; rivals like K&N and Injen offer similar gains, but the Dryflow filter and lifetime limited warranty are the main draws.

Best for2018-2020 Kia Stinger 2.0L turbo ownersDrivers who want more intake and turbo soundOwners who prefer an oil-free washable filterDIY installers with basic hand tools
Pros
  • Dyno-tested for horsepower and torque gains
  • Oil-free Dryflow filter is washable and reusable
  • Heat shield keeps intake air cooler
  • Mandrel-bent aluminum tube with gunmetal powder coat
  • Retains factory mass airflow sensor and breather tube
  • Backed by a lifetime limited warranty
Cons
  • Fits only the 2.0L four, not the V6
  • Not legal for sale or use in some states
  • Filter needs cleaning well before 100,000 miles in dusty driving
  • Install takes more than a few minutes on some cars

AEM Induction 21-867C - AEM C.A.S. 18-20 Kia Stinger L4-2.0L F/I Cold Air Intake prices at every store

  • EDO PerformanceNew

    In stock

    $369.99Checked 1 h ago
    Visit EDO Performance
  • K&N StoreNew

    In stock

    $369.99Free shippingChecked 1 h ago
    Visit K&N Store
  • AEM Cold Air Intake StoreNew

    In stock

    $419.99Free shippingChecked 1 h ago
    Visit AEM Cold Air Intake Store
  • WalmartNew

    In stock

    $419.99Free shippingChecked 1 h ago
    Visit Walmart
  • Just Bolt-On Performance PartsNew

    Availability unknown

    $369.99Checked 1 h ago
    Visit Just Bolt-On Performance Parts
  • CARiD.comNew

    Availability unknown

    $399.99Checked 1 h ago
    Visit CARiD.com
  • eBayNew

    Availability unknownSold by automotived

    $419.99Checked 1 h ago
    Visit eBay
  • JEGS High PerformanceNew

    Availability unknown

    $419.99Checked 1 h ago
    Visit JEGS High Performance
  • CarParts.comNew

    Availability unknown

    $419.99Checked 1 h ago
    Visit CarParts.com
  • AutoTalentNew

    Availability unknown

    $419.99Checked 1 h ago
    Visit AutoTalent
  • Redline360New

    Availability unknown

    $419.99Checked 1 h ago
    Visit Redline360
  • Mont MotorsportsNew

    Availability unknown

    $419.99Checked 1 h ago
    Visit Mont Motorsports
  • JM Auto RacingNew

    Availability unknown

    $419.99Checked 1 h ago
    Visit JM Auto Racing

Also available at

  • Complete Street PerformanceCheck price at Complete Street Performance

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AEM Induction 21-867C - AEM C.A.S. 18-20 Kia Stinger L4-2.0L F/I Cold Air Intake price history

Lowest price we've seen: $369.99 on Nov 13 at K&N Store. Tracked across 13 stores since Nov 13.

What reviewers say

  • 4.7 / 577 ratings

Owners rate it highly, praising the sound, the fit and the quality of the tube and heat shield. Most report a noticeable seat-of-the-pants improvement and an easy install.

What people mention
  • SoundPraisedOwners say the intake adds a clear turbo and induction sound under acceleration.
  • FitPraisedBuyers report the tube and heat shield line up well with factory mounting points.
  • InstallPraisedMost owners describe the install as manageable with common hand tools.
  • Power gainMixedSome owners feel a modest improvement; others say the gain is hard to notice.
  • Filter upkeepMixedThe oil-free filter is liked, but some note it needs cleaning sooner than the 100,000-mile figure in dusty conditions.

About the AEM Induction 21-867C - AEM C.A.S. 18-20 Kia Stinger L4-2.0L F/I Cold Air Intake

The AEM C.A.S. Cold Air Intake is made for the 2018-2020 Kia Stinger with the 2.0L four-cylinder engine. It replaces the factory air filter, intake tubing and air box assembly. It was designed, tuned and dyno-tested for this specific application.

Air enters through an oversized AEM Dryflow synthetic filter. The filter is tapered and cylinder-shaped, and sits in the original air box space behind a heat shield with edge trim lining. The heat shield is designed to reduce intake air temperature. The intake tube is mandrel-bent aluminum with a gunmetal gray powder coated finish.

The system works with the engine's factory emissions control devices, including the mass airflow sensor and breather tube. The filter media is oil-free, washable and reusable. It can go up to 100,000 miles before cleaning is needed, depending on driving conditions. It installs with commonly available tools. It is not legal for sale or use in California on any pollution controlled motor vehicle.

Fits
2018-2020 Kia Stinger, L4-2.0L fuel injected
Product style
AEM Cold Air Intake System
Estimated gain
10.41 HP @ 4381 RPM
Air filter
Red, non-woven synthetic, oil-free, washable
Filter outlet
Round
Replacement filter
21-2093DK
Intake pipe
Aluminum, gunmetal gray finish
Intake pipe ports
All ports needed for the specified application are included
Couplers
2, black
Clamps
5 stainless steel worm gear clamps, natural finish
Mounting hardware

Questions and answers

Does it fit the Stinger V6?
No. This kit is made for the 2018-2020 Kia Stinger with the 2.0L turbo four only.
Do I need to oil the filter?
No. The Dryflow filter is oil-free synthetic media; clean and reinstall it without oil.
Will it trigger a check engine light?
It is designed to reuse the factory mass airflow sensor and breather tube, so it should not. Any light after install usually points to a loose sensor connection or a leak.
Is it street legal in California?
Some AEM intakes are not legal for sale or use in certain states. Check the emissions status for your state before buying.
What is in the box?
The aluminum intake tube, Dryflow air filter, heat shield and mounting hardware. The factory air box and filter come out.
How often should I clean the filter?
AEM says up to 100,000 miles between cleanings depending on driving conditions; dusty or heavy-traffic driving calls for more frequent cleaning.
Where is the AEM Induction 21-867C - AEM C.A.S. 18-20 Kia Stinger L4-2.0L F/I Cold Air Intake cheapest?
At EDO Performance, for $369.99, as of our latest check.
What do buyers say about the AEM Induction 21-867C - AEM C.A.S. 18-20 Kia Stinger L4-2.0L F/I Cold Air Intake?
Rated 4.7 out of 5 from 77 ratings.
Where can I buy the AEM Induction 21-867C - AEM C.A.S. 18-20 Kia Stinger L4-2.0L F/I Cold Air Intake?
14 stores we checked sell it, including EDO Performance, K&N Store, Just Bolt-On Performance Parts, CARiD.com, AEM Cold Air Intake Store.

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Stores we've priced the AEM Induction 21-867C - AEM C.A.S. 18-20 Kia Stinger L4-2.0L F/I Cold Air Intake at

  • Walmart deals and prices

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Included
Not included
Air box, mass air flow sensor adapter, oil
Legal status
Not legal for sale or use in California on any pollution controlled motor vehicle
TUV approved
No
Warranty
Limited Lifetime
Weight
11.4 lb (5.2 kg)
Packaging
Corrugated box
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