Airaid 400-226 Installation Instructions

Installation Instructions

For Part Numbers:

400-226 720-473 Airaid Oiled Media Filter
401-226 721-473 SynthaMax Dry Media Filter - Red
402-226 722-473 SynthaMax Dry Media Filter - Black
403-226 723-473 SynthaMax Dry Media Filter - Blue

2009-10 Ford F-150 4.6L, 5.4L V8
2008-10 Ford F-250/F-350 Super Duty

5.4L V8, 6.8L V10

Component Identification

1. Airaid Premium Filter 1

2. MAF Adapter Tube 1

3. Front Panel 1

4. Rear Panel 1

5. Weather Strip 16 1/2” 1

6. 6-32x5/16” Screw 4

7. #6 Flat Washer 4

8. 6-32 Keps Nut 4

9. 1/4-20 Button Head Bolt 4

10. 1/4” Flat Washer 4

11. 8-32x3/8” Button Head Screw 2

12. #20 Torx Security Bit 1

Full color instructions can be viewed on our web site at Airaid.com. Use the Product Search function to find your part number, and click View Details.

B.

C.

A.

1. Disconnect the negative battery cable!
A.) Using the pr ovided #20 Tor x Bit r emove two

screws and the Mass Air Flow (MAF) sensor from the
factory intake tube. There is no need to disconnect the
wiring harness.

B.) Loosen t he factor y hose cla mp.
C.) Unlatch 3 clips that secur e t he a ir box lid to t he

base.

2. Remove the factory airbox lid from the vehicle by
sliding the flexible tube off of the airbox lid neck, and
then rotate the lid up and out of the base.

3. Remove the factory air filter from the airbox base.

4. Assemble the two Quick Fit panels (#3 & #4) as

shown using four 6-32 screws (#6) flat washers (#7)
and kep nuts (#8).

7. Reinstall the MAF sensor into the Airaid Adapter
Tube using two 8-32 x 3/8” button head screws (#11).

Do Not Use The Factory Screws !

5. Install the MAF Adapter Tube (#2) into the Quick Fit

Panel as shown using four 1/4-20 button head bolts (#9)
and flat washers (#10). Make sure the slot for the MAF
sensor is on the left side when looking from this view.

8. Install the Airaid Premium Filter (#1) onto the adapt­er tube and tighten the hose clamp. Next install the
weather strip (#5) onto the top of the Quick Fit panels
as shown.

6. Install the Quick Fit Assembly onto the top of the
factory airbox base sliding the four tabs on the panel
into the slots on the base and then latching the three
factory latches. Slide the factory intake tube over the
MAF tube and tight en the factory hose clamp a s
shown.

9. Double check your work!

Make sure there is no foreign material in the
intake path. Make sure all clamps, hoses,
bolts, and screws are tight.
intake path. Make sure all clamps, hoses,
bolts, and screws are tight. Periodically check
the tightness of all hose clamps.

10. Re-connect the negative battery
cable!

Thank you for purchasing the Airaid Intake System. Contact Airaid @ [phone] 8:00 AM - 5:00 PM MST week­days for questions regarding fit or instructions that are not clear to you. Your Airaid Intake System was carefully inspected and
packaged. Check that no parts are missing, or were damaged during shipping. If any parts are missing, contact Airaid. The air
filter element is protected from direct exposure to water and debris; care should be taken not to drive through deep water. WA­TER INGESTION IS THE DRIVERS RESPONSIBILTY! The air filter is reusable and should be cleaned periodically.

FILTER IDENTIFICATION

720-473 Airaid Oiled Media 721-473 Airaid SynthaMax Dry Media - Red

722-473 Airaid SynthaMax Dry Media - Black 723-473 Airaid SynthaMax Dry Media - Blue

For your Oiled media filter

we suggest using the

AIRAID Filter Tune-Up Kit!

Synthamax Air Filters do not require oil.
Service air filter as needed by cleaning
with common non-petroleum all-purpose
household cleaner and water. Simple
Green®, Formula 409® or equivalent
works great. Apply cleaner to outside of
air filter and allow to soak. Then flush
filter clean from the inside out with a gar­den hose and repeat steps if necessary.
Do not apply high pressure water or air
to clean filter. Allow filter to air dry and
reinstall.

P/N 790-551 Aerosol Spray
P/N 790-550 Squeeze Spray

Airaid Filter Co. 2688 E Rose Garden Ln. Phoenix AZ 85050 [phone] [e-mail] www.airaid.com

REV.10.24.13