Airaid 450-204 Installation Instructions

Installation Instructions

For Part Numbers:

450-204 700-462 Airaid Oiled Media Filter
451-204 701-462 SynthaMax Dry Media Filter - Red
452-204 702-462 SynthaMax Dry Media Filter - Black
453-204 703-462 SynthaMax Dry Media Filter - Blue

1999-04 Ford Mustang GT

4.6L V8

Component Identification

1. Airaid Premium Filter 1

2. Airaid Intake Tube 1

3. Velocity Stack 1

4. Reducer Coupler 1

5. Hump Hose 1

6. Cool Air Dam 1

7. Weather Strip 17” 1

8. M6 - 1 x 25mm Hex Bolt 4

9. M6 x 20mm Button Head Bolt 1

10. ¼” Lock Washer 4

11. ¼” Flat Washer 1

12. MAF Gasket 2

13. #44 Hose Clamp 1

14. #56 Hose Clamp 1

15. #60 Hose Clamp 2

16. 5/8” x 3” Hose 1

17. Grommet 1

18. Plug Grommet 1

19. 1/2” NPT x 5/8” Barb 1

20. 1/2” NPT x 3/4” Barb 1

21. T-20 Security Torx Bit 1

A.

B.

C.

1. Disconnect the negative battery cable.
A.) Loosen the hose clamp on the factory intake tube
at the throttlebody. B.) Disconnect the crankcase
breather tube from the factory air intake tube. C.) Dis­connect the idle bypass hose from the factory air in­take tube and remove the hard plastic 3/4” coupler
from inside the rubber hose.

A.

MAF sensor

B.

C.

2. A.) Loosen the factory intake tube hose clamp on

the Mass Air Flow (MAF) sensor housing. B.) Care-
fully remove the intake air temperature sensor from
the factory intake tube(1999-01 models). C.) Using
the supplied T-20 torx bit, remove two screws, and
remove the MAF sensor from the MAF housing. Set
the temp sensor and MAF sensor to the side for rein-
stallation later.

3. Remove the bolt that holds the factory air filter
canister to the inner fender. Next remove the factory
air intake tube from the throttlebody, and then the
MAF housing. Now with a twisting motion re­move the factory air filter canister from the vehicle.

CAD

MAF Housing

4. Remove the two factory grommets from the bottom

of the factory air filter canister and reinstall them into
the holes in the inner fender.

3/4” Barbed Fitting

5/8” Barbed Fitting
and Hose

Grommet or Plug

7. If your vehicle is equipped with an intake temp

sensor (1999-01), install the supplied grommet (#17)
into the hole in the Airaid Intake Tube (#2), On later
models (2002-04), install the grommet plug (#18) .
Next install the two barbed fittings (#19 & #20) into
the tube as shown. Now install the 5/8”x 3” hose (#16)
onto the 5/8” barbed fitting.

5. Remove the four bolts that hold the MAF housing to
the factory air filter canister. The bolts will not be re­used, but the MAF housing will be used in the next
step.

#44 Hose Clamp

#56 Hose Clamp

8. Install the reducer coupler (#4) onto the throttle-

body end of the Airaid Intake Tube using the #56
hose clamp (#14) on the tube end, and the #44 hose
clamp (#13) on the small end. Tighten only the large
#56 clamp at this time.

Velocity Stack

6. Mount the factory MAF housing to the Airaid Cool
Air Dam (#6) using four 6mmx25mm bolts (#8),

four lock washers (#10), two MAF gaskets (#12), and
one velocity stack (#3). Refer to the line drawing at
the top of this page for the proper sequence of how to
install the parts.

6mmx20mm Button Head

9. Install the Airaid Premium Filter (#1) onto the ve-

locity stack inside of the CAD as shown and tighten
the clamp. Next install the CAD assembly into the
vehicle aligning the grommet posts into the factory
grommets in the inner fender. Now secure the CAD to
the inner fender well using the 6mmx20mm button
head bolt (#9), and flat washer (#11).

Second

First

10. Install the hump hose (#5) onto the factory MAF

housing using two #60 hose clamps (#15) as shown.
Tighten only the clamp on the housing at this time.

13. Install the supplied weather strip (#7) onto the top
of the CAD starting at the fender and working your
way towards the radiator.

11. On 1999-01 Models, Carefully install the factory
intake temp sensor into the grommet in the Airaid
Intake Tube.

14. 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. Double check the
hood clearance!

12. Install the Airaid Intake Tube into the hump
hose first, and then onto the throttlebody. Adjust for
fit, and then tighten the two remaining hose clamps.
Reconnect the crankcase breather hose to the 5/8”x
3” hose, and connect the idle bypass hose to the
3/4” barbed fitting. Now reinstall the MAF sensor
onto the MAF housing using the factory screws.

15. Reconnect the negative battery
cable!

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.

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

700-462 Airaid Oiled Media 701-462 Airaid SynthaMax Dry Media - Red

702-462 Airaid SynthaMax Dry Media - Black 703-462 Airaid SynthaMax Dry Media - Blue

For your Oiled media filter we

suggest using the AIRAID Filter

Tune-Up Kit!

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

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.

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

REV.10.24.13