AEM Induction Systems / 21-817C

Part #: 21-817C
UPC: 024844366276

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Brand: AEM Induction Systems Series: Cold Air Induction Systems

Description: The AEM 21-817C Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing.

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Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Description

The AEM 21-817C Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno-tested to fit specific Hyundai Elantra Sport models. The oversized cone-shaped AEM Dry Flow filter is made from an oil-free, synthetic filter media and can be used for up to 100,000 miles before cleaning is needed (depending on driving conditions). This system puts the air filter low and towards the front of the car where cooler air can be found. The cooler and denser air is then channeled through the mandrel-bent aluminum intake tube into the throttle body. The factory PCV and vent hoses mount directly on the intake tube using the existing spring clamps.

Features & benefits

Precision-tuned and dyno-validated to enhance throttle response, sharpen acceleration, and improve overall engine efficiency, helping maximize horsepower and drivability.
Creates a deeper, more aggressive induction tone that highlights the intake system’s improved airflow.
Features low-restriction intake tubing that increases air velocity and high-volume airflow for maximum performance gains.
Equipped with a long-life, high-capacity air filter capable of up to 100,000 miles before servicing (depending on driving conditions), reducing maintenance while maintaining strong, clean airflow.
Utilizes washable, reusable, oil-free synthetic filter media that preserves airflow efficiency, traps harmful contaminants, and provides long-term value over disposable filters.

Information

Associated products: AEM-21-2157DK DryFlow Air Filter, AEM-1-1000 Air Filter Cleaner

Application summary

Year	Make / model
2017-2018	Hyundai Elantra

Specifications

GTIN: 00024844366276
Weight: 9.5 lb
Height: 10.6 in
Length: 35.4 in
Width: 13.3 in
EO: Not in CA
Life cycle: Available to Order
Alt. part number: AEM-21-817C
AAM brand code: AEK
Warehouse brand code: AEK
AAIA brand code: DSHD

Attributes

AAM Standard Pack: 1
Air Box Included: No
Air Filter Color: Red
Air Filter Element Washable: Yes
Air Filter Material: Non-woven Synthetic
Air Filter Outlet Shape: Round
Air Filter Washable: Yes
Alternate Part Number: AEM-21-817C
California Proposition 65: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
California Restricted: Not legal for sale or use in California
Clamp Color: Natural
Clamp Color/Finish: Natural
Clamp Material: Stainless Steel
Clamp Quantity: 3
Clamp Style: Regular
Clamps Included: 3
Coupler Color: Black
Coupler Color/Finish: Black
Couplers Included: 1
Estimated Horse Power Gain: 11 HP @ 5400 RPM
Estimated Horsepower Gain: 11 HP @ 5400 RPM
Filter Color: Red
Filter Material: Non-woven Synthetic
Horse Power Increase: 11 HP
Intake Pipe Color: Gunmetal Gray
Intake Pipe Color / Finish: Gunmetal Gray
Intake Pipe Material: Aluminum
Intake Pipe Ports: All intake tube ports needed for the specified applications are included
Item Weight: 9.500 lbs. (4.3 kg)
Mass Air Flow Sensor Adapter Included: No
Mass Air Flow Sensor Included: Mass Air Flow Sensor Adapter Included When Required
Mounting Hardware Included: Yes
Oil Included: No Filter Oil Required
Package Material: Corrugated
Package Type: Box
Product Box Height: 10.600 in. (269mm)
Product Box Length: 35.400 in. (899mm)
Product Box Width: 13.300 in. (338mm)
Product Style: AEM Cold Air Intake System
RPM: 5400
Replacement Filter: 21-2157DK
Street Legal: No
Street Legal In All US States: Not legal for sale or use in California on any pollution controlled motor vehicle.
TUV Approved (Europe): No
Title: AEM AEM-21-817C Cold Air Intake System
Warranty: Limited Lifetime
Weight: 9.5 lb (4.3 kg)