AEM 21-718 User manual
Equipped with AEM Dryflow Filter
No Oil Required!
INSTALLATION INSTRUCTIONS
AEM Inducon Systems 1 (800) 992-3000 WWW: hp://www.aemintakes.com
*NOTE: Legal in California only for racing vehicles which may never be used upon a highway
PART NUMBER: 21-718
2012-13 HYUNDAI ELANTRA 1.8L SEE*NOTE
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PARTS LIST
Description Qty. Part Number
ATUBE, INTAKE, 2012 HYUNDAI ELANTRA 1.8L 12-1496
BMOUNT, INSULATED, M6 X 0.625 11228598
CWASHER, FLAT, M6 X 1.0 DIA. 108160
DNUT, HEX, FLANGED M6-1.0 1444.460.04
EHOSE, COUPLER, SILICONE 2.75” DIA X 3.0 15-275
F1/2” BNDHOSE CLAMP, #48, 2.56”-3.50” DIA. 39444
GAIR FILTER ELEMENT ASSY. 2.75 X 5.0” OFFSET 121-202DOSK
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Read and understand these instructions BEFORE attempting to install this product. Failure to follow
installation instructions and not using the provided hardware may damage the intake tube, throttle body and
engine.
The AEM intake system is a performance product that can be used safely during mild weather conditions.
During harsh and inclement weather conditions, you must return your vehicle to stock OEM airbox and intake
tract configuration. Failure to follow these instructions will void your warranty.
1. Preparing Vehicle
a. Make sure vehicle is parked on a level surface.
b. Set parking brake.
c. If engine has run in the past two hours, let it cool down.
d. Disconnect negative battery terminal.
e. Do not discard stock components after removal of the factory system.
A. Open vehicle hood. Remove the plasc engine
cover.
B. Disconnect the breather return hose at the stock
intake tube.
2. Removal of stock system
C. Disconnect PCV hose on top of the valve cover
and pull it aside to expose the hose clamp at the
throle body below.
D. Loosen the hose clamp at the throle body.
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E. Unfasten the airbox clamps and remove the
stock airbox lid and intake tube.
I. Using a #2 Phillips screwdriver, unscrew the 2
plasc clips retaining the plasc underside brush
guard to the front bumper on the driver’s side,
then remove the clips.
F. Remove the stock air lter. Do not discard.
G. Remove the 3 M6 mounng bolts with a 10mm
socket. Slide the lower airbox housing to the le
and remove it from the engine bay.
H. Depress the center buons of the two plasc
clips retaining the stock intake scoop to the radia-
tor support. Pull up on the clips to remove them,
then remove the stock intake scoop.
J. Raise the vehicle safely and remove the le front
(driver’s side) wheel. Make sure to set the parking
brake, chock the rear wheels, and use proper jack
stands before working under the vehicle.
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K. Unscrew and remove the 3 front plasc clips
retaining the drivers’ side fender liner. Pull the
fender liner aside to expose the stock intake silenc-
er.
L. Inside the wheel well area, remove the 3 M6
bolts retaining the intake silencer to the frame
support.
M. Under the hood, remove the 4th and nal M6
bolt retaining the intake silencer to the frame sup-
port.
N. Lower and remove the large intake silencer from
the wheel well.
O. The stock intake silencer.
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D. Then insert the outlet end of the intake tube
into the silicone hose at the throle body.
C. Carefully install your new AEM Cold Air Intake
tube (A) by rst inserng the inlet into the fender
well access hole and aligning the bracket mount to
the insulated M6 mounng stud as shown.
A. Install two #48 hose clamps (F) onto the silicone
hose (E), then install the hose over the throle body
ange. Tighten the hose clamp over the throle
body ange and leave the other clamp loose.
B. Install the insulated M6 mounng stud (B) into
the fender well and fully ghten by hand. Use the
M6 threaded hole to the le of the hole actually
used to mount the stock air box.
3. Installation of AEM Intake System
a. When installing the intake system, do not completely tighten the hose clamps or mounting hardware until
instructed to do so.
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E. Loosely install the at washer (C) and M6
anged hex nut (D) over the M6 mounng stud as
shown. Do not ghten yet.
H. If you drive regularly in inclement weather, con-
sider installing an AEM® Pre-Filter Wrap to protect
your Dryow™ lter for added peace of mind. See
www.aemintakes.com for more info.
G. Inside the fender well, mount your new AEM® Dry-
ow™ Air Filter (G) onto the intake tube inlet. Rotate
the oset lter to clear the fog lamp and the wheel
well cover, and then secure with the hose clamp.
F. Once properly seated, ghten the second hose
clamp at the intake tube outlet connected to the
throle body.
G. Connect the breather hose onto the intake tube
at the breather nipple using the stock clamp as
shown.
F. Re-connect the PCV hose at the valve cover.
3/20/2013 810-407
I. Reposion the plasc fender liner and brush
guard under the bumper, and then re-install the 5
plasc clips you removed earlier. You can simply
push them into each hole to lock in place.
AFTER: AEM 21-718 Cold Air Intake System.
BEFORE: The stock intake system.
J. Now fully ghten the M6 hex nut (D) at the
mounng bracket to secure the pipe into place.
K. Re-install the driver’s side wheel and torque
down the lug nuts to the factory specicaons
found in your Vehicle Owner’s Manual using a
torque wrench.
L. Re-install the stock engine cover.
3/20/2013 910-407
4. Reassemble Vehicle
a. Position the inlet pipes for the best fitment. Be sure that the pipes or any other components do not contact
any part of the vehicle. Tighten any rubber mounts (if applicable), all bolts, and hose clamps.
b. Check for proper hood clearance. Re-adjust pipes if necessary and re-tighten them.
c. Inspect the engine bay for any loose tools and check that all fasteners that were moved or removed are
properly tightened.
d. Reconnect the negative battery terminal and start the engine. Let the vehicle idle for 3 minutes. Perform
final inspection before driving the vehicle.
5. CARB Sticker Placement
a. The C.A.R.B. exemption sticker, (attached), must be visible under the hood so than an emissions inspector
can see it when the vehicle is required to be tested for emissions. California requires testing every two
years, other states may vary.
6. Service and Maintenance
a. AEM® Induction Systems requires cleaning the intake system’s Dryflow™ air filter element every 100,000
miles. When used in dusty or off-road environments, our filters will require cleaning more often. We recom-
mend that you visually inspect your filter once every 25,000 miles to determine if the screen is still visible.
When the screen is no longer visible some place on the filter element, it is time to clean it. To clean, pur-
chase our Synthetic Air Filter Cleaner, part number 1-1000 and follow the easy instructions.
b. Use window cleaner to clean your powder coated AEMintake tube. NOTE: DO NOT USE aluminum
polish on powder coated AEM intake tubes.
For Technical inquiries
E-mail us at
Or
Call us at
800.992.3000
AEM Air Intake System Warranty Policy
AEM warrants that its intake systems will last the life of your vehicle. AEM will not honor this warranty due to
mechanical damage (i.e. improper installation or fitment), damage from misuse, accidents or flying debris. AEM will not
warrant its powder coating if the finish has been cleaned with a hydrocarbon-based solvent. The powder coating should
only be cleaned with a mild soap and water solution. Proof of purchase of both the vehicle and AEM intake system is
required for redemption of a warranty claim.
This warranty is limited to the repair or replacement of the AEM part. In no event shall this warranty exceed the original
purchase price of the AEM part nor shall AEM be responsible for special, incidental or consequential damages or cost
incurred due to the failure of this product. Warranty claims to AEM must be transportation prepaid and accompanied
with dated proof of purchase. This warranty applies only to the original purchaser of product and is nontransferable.
Improper use or installation, use for racing, accident, abuse, unauthorized repairs or alterations voids this warranty.
AEM disclaims any liability for consequential damages due to breach of any written or implied warranty on all products
manufactured by AEM . Warranty returns will only be accepted by AEM when accompanied by a valid Return
Merchandise Authorization (RMA) number. Credit for the defective products will be issued pending inspection. Product
must be received by AEMwithin 30 days of the date RMA is issued.
If you have a warranty issue, please call (800) 992-3000 and our customer service department will assist you. A proof of
purchase is required for all AEMwarranty claims.
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