Airaid 400-299 User Manual
Page 2

Airaid Filter Co. 2688 E Rose Garden Ln. Phoenix AZ 85050 (800) 498-6951
REV.04.01.14
P/N 790-551 Aerosol Spray
P/N 790-550 Squeeze Spray
Thank you for purchasing the Airaid Intake System. Contact Airaid @ (800) 498-6951 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 wa-
ter and debris; care should be taken not to drive through deep water. WATER INGESTION IS THE DRIVERS RESPONSIBILITY! The air filter
is reusable and should be cleaned periodically.
15. 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.
Make sure all clamps, hoses, bolts, and screws
are tight. Periodically check the tightness of
all hose clamps.
16. Re-connect the negative battery
cable!
10. Install the hump hose (#6) and two #60 hose clamps
(#16) onto the filter Air Meter Tube as shown. Leave
the two hose clamps loose for now
11. Install the Intake Tube onto the throttle body first,
then into the Hump Hose. Tighten all of the hose
clamps.
12. Reconnect the breather lines to the Airaid Intake
Tube.
14. Install the Weather Strip (#8) onto the panel assem-
bly with the contoured edge rolling away from the filter
area. Start at the front of the vehicle and work your
way back. Complete the installation by sliding the
Airaid Premium Filter (#1) onto the Air Meter Tube
and tightening the clamp.
13. Reconnect the Mass Air Flow meter.
FILTER IDENTIFICATION
720-478 Airaid Oiled Media 721-478 Airaid SynthaMax Dry Media - Red
722-478 Airaid SynthaMax Dry Media - Black 723-478 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 house-
hold 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 re-
peat steps if necessary. Do not apply high
pressure water or air to clean filter. Allow
filter to air dry and reinstall
.