Filter identification – Airaid 400-231 User Manual
Page 2
Airaid Filter Co. 2688 E Rose Garden Ln. Phoenix AZ 85050 (800) 498-6951
REV.04.09.04
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 week-
days 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. WA-
TER INGESTION IS THE DRIVERS RESPONSIBILTY! The air filter is reusable and should be cleaned periodically.
11. 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.
Periodically check the tightness of all hose
clamps.
12. Re-connect the negative battery
cable!
10. Install the Airaid Premium Filter (#1) to the mount-
ing flange inside the quick fit assembly. Complete the
installation by attaching the Weather Strip (#5) to the
top of the panels as shown.
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 household cleaner and wa-
ter. 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 fil-
ter. Allow filter to air dry and reinstall.