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How to Install Airaid Race Cold Air Intake - Synthaflow Oiled Filter on your Mustang

Installation Time

1 hours

American Muscle
Shop Parts in this Guide

Please Note: This intake system is not calibrated to any ECU and requires a custom tune for proper Mass Air Sensor functionality and maximum performance. It is designed for “RACE ONLY”

Full color instructions can be viewed on our web site at If you need any assistance please call 1-800-858-3333 to speak with a representative in our Customer Service Center before returning the product.

Installation Instructions

For Part Numbers:

450-304 700-466 Airaid Oiled Media Filter

451-304 701-466 SynthaMax Dry Media Filter - Red

452-304 702-466 SynthaMax Dry Media Filter - Black

453-304 703-466 SynthaMax Dry Media Filter - Blue

2005-09 Ford Mustang GT 4.6L V8 RACE ONLY

1. Disconnect negative battery cable.

Push the green plastic tabs, and remove breather hose from vehicle. (Save for later use).

2. Loosen the intake tube hose clamp on the throttle body. Slide the red tab on the electrical connector, and disconnect the mass air sensor.

3. With a 10mm socket, remove the bolt holding the factory airbox to the fender and save the bolt. It will be reused

4. Remove the complete factory intake. Use caution to retain the factory grommets in the inner fender.

5. Using the provided #20 torx bit, remove two screws and the mass air sensor from the factory airbox lid. Note the direction of the sensor for proper re-installation later. (Save the mass air sensor for re-installation in step #13, the factory screws will not be re-used).

6. With a 10mm socket, remove and save the bolt from the anti-lock brake bracket. It will be reinstalled later in step #9.

7. Install the air filter adapter (#5) into the Cool Air Dam (#7) as shown, using 3 button head bolts (#9) and ¼” flat washers (#10).

8. Place the CAD into the inner fender, align the bolt holes and re-install the bolt from step #6.

9. Slide the Aluminum Spacer (#14)underneath the CAD and into the hole as shown. Secure the CAD to the inner fender using the OEM bolt from step #3 and the supplied 1/4” Fender Washer (#15).

10. Install the hump hose (#4) on the filter adapter (#6), with two #72 hose clamps (#12). Tighten only the clamp next to the CAD.

11. Install the supplied grommet (#13) and aluminum fitting (#16) into the Airaid intake tube as shown.

12. Align the two slots in the tubes, and install the factory mass air sensor removed from step #5. Make sure the screw holes line up, then install the two supplied button head screws. (#11).


13. Install the oval coupler (#3) with two #72 hose clamps (#12). Tighten only the clamp closest to the aluminum fitting. (Hint: For a clean look, locate the hose clamp tightening screws under the tube)!

14. A.) Install the tube into the hump hose. B.) Now slide the oval coupler onto the throttle body. Tighten the remaining two hose clamps, and re-connect the mass air sensor, from step #2.

15. Install the Airaid Premium Filter (#1) onto the filter adapter, and tighten the clamp. Install the weather strip (#8) on the top of the CAD as shown.

16. VERY CAREFULLY ! Using a razor blade, cut the plastic tube off both of the factory breather hose ends as shown.

17. Install the 3/8”x12” hose (#7) onto the factory breather ends as shown.

18. Re-connect the breather line (#7) back to the factory locations as shown.

19. 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!

20. Reconnect the negative battery cable!

Installation of this “RACE ONLY” intake system must be accompanied with a custom tune for proper Mass Air Sensor functionality and drive-ability. Failure to install custom tune may result in poor performance and severe engine damage

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 water 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.


700-466 Airaid Oiled Media

701-466 Airaid SynthaMax Dry Media - Red

702-466 Airaid SynthaMax Dry Media - Black

703-466 Airaid SynthaMax Dry Media - Blue

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