Installation Instructions
For Part Numbers:
200-206-1 720-477 Airaid Oiled Media Filter
201-206-1 721-477 SynthaMax Dry Media Filter - Red
202-206-1 722-477 SynthaMax Dry Media Filter - Black
203-206-1 723-477 SynthaMax Dry Media Filter - Blue
2006-09 Chevrolet Trailblazer 5.3L V8, 6.0L V8
2005-06 Chevrolet Trailblazer EXT 5.3L V8
2005-06 GMC Envoy 5.3L V8
2005-06 GMC Envoy XL 5.3L V8
2005 GMC Envoy XUV 5.3L V8
Component Identification
1. Airaid Premium Filter 1
2. Airaid Intake Tube 1
3. MAF Panel 1
4. Silicone Hump Hose 1
5. CouplerW/#68 Clamp 1
6. Weather Strip 26” 1
7. M6 x 25mm Hex Bolt 3
8. ¼ - 20 x 1/2” Button Head Bolt 1
9. ¼” Flat Washer 4
10. ¼ - 20 Serrated Nut 1
11. 8-32 x 1/2” Button Head Screw 3
12. #8 Flat Washer 3
13. 8-32 Keps Nut 3
14. #56 Hose Clamp 2
15. ¼” NPT x 3/8” Barbed Fitting 1
16. 3/8” x 8” Breather Hose 1
17. Aluminum Spacer 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.
1. Disconnect the negative battery cable.
6.0 Liter Only: Using a T-30 torx bit, remove the fac-
tory screw and engine beauty cover, and then set them
aside for reuse.
2. Using a 5/16” socket or flat blade screwdriver,
loosen the hose clamps on both ends of the factory
intake tube.
3. Slide the factory breather hose off of the metal tube
on the engine.
5.3L Only: Insert
Spacer Under
MAF Panel
4. Loosen the clamp holding the Mass Air Flow
(MAF) sensor to the factor y air box lid. Remove the
complete factory intake and breather tube. Remove
the MAF sensor from the lid (do not disconnect it),
and then set it aside.
OEM SIDE
COVER
7. 6.0 Liter Only: Insert one ¼ - 20 x 1/2” button
head bolt (#8) and 1/4” flat washer (#9) through the
hole in the oem side cover, and through the hole in the
panel. Secure using one ¼ - 20 serrated nut (#10).
6.0 ONLY:
OEM SIDE
COVER
5. 6.0 Liter Only: Using a flat blade screwdriver,
gently pry the plastic retaining clip from the oem side
cover.
All Models: Loosen the four mounting screws on the
factory airbox lid. Remove the factory airbox lid, filter, and resonator as an assembly.
8. Mount the MAF sensor onto the panel using three 8
-32 x 1/2” button head screws (#11), #8 flat washers
(#12), and 8-32 keps nuts (#13). (Note: sensor should
be mounted with “flow” arrow on top).
6. Mount the MAF Panel (#3) onto the airbox base
using three M6 x 25mm Hex Bolts (#7), and ¼” flat
washers (#9).
5.3 Liter Only: Inser t one a luminum spacer (#17)
between the panel and the lower airbox in the position
as shown. Tighten using a 10mm socket, ratchet and
extension.
9. Slide the silicone hump hose (#4), and two #56
hose clamps (#14) onto the MAF sensor. Slide the
coupler (#5) and one #68 hose clamp onto the throttle
body. Tighten only the clamp on the MAF sensor for
now.
10. Insert one ¼” NPT x 3/8” barbed fitting (#15) into
the Airaid Intake Tube (#2).
Tab
11. Insert the Airaid Intake Tube (#2) into the hump
hose first. Then, insert the throttle body end of the tube
into the coupler. Adjust for fit, and tighten the clamps.
12. Slide one end of the 3/8” x 8” breather hose (#16)
over the barbed fitting in the Airaid Intake tube. Slide
the other end of the breather hose onto the metal tube
on the engine.
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.
13. Install the Airaid Premium Filter (#1) onto the
MAF sensor . R otate the filter so tha t the tab con -
tacts the air box base, and then tighten the clamp. Install the weather strip (#6) onto the top of the panel.
(Hint: Start at one end and work towards the other.)
WARNING! If your vehicle has a Vehicle Emission C ontr ol Infor mation decal affixed to th e fa ctor y air box, a new replacement label must be obtained and installed in a readily visible position in the engine compartment in order to remain CARB compliant. Failure to do so will prevent the vehicle from passing a smog check.
Replacement labels can be ordered from your local dealership. Regulations state that the VECI label shall not be
affixed to any equipment which is easily detached from the vehicle. Label placement, under the hood on a painted surface is recommended.
15. Reconnect the negative battery cable!
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.
720-477 Airaid Oiled Media 721-477 Airaid SynthaMax Dry Media - Red
722-477 Airaid SynthaMax Dry Media - Black 723-477 Airaid SynthaMax Dry Media - Blue
For your Oiled media filter we
suggest using the AIRAID Filter
Tune-Up Kit!
FILTER IDENTIFICATION
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 (800) 498-6951 AiraidInfo@airaid.com www.airaid.com
REV.11.15.13
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