Stainless Works 400-299 Ford F-150 2011-12 5.0L AIRAID Intake System User Manual
Ab a b, Packing list, Tools required for installation
Installation Instructions
Part Number 400-299
2011-12 Ford F-150
5.0L V8
1. Disconnect the negative battery cable!
A. Disconnect the two breather lines in the factory in-
take tube .
B. Loosen the two intake clamps, and remove the facto-
ry intake tube.
3. Remove the factory air filter from the lower half of
the airbox.
4. Assemble the two Quick Fit Panels (#4 & #5) as
shown using four 6-32 screws (#12), flat washers
(#13), and Kep Nuts (#14). The panel tabs are to be on
the outside of the assembly.
5. Install the Air Meter Tube (#2) onto the Panel As-
sembly and secure using the two 1/4-20 Button Head
Bolts (9), and 1/4” Flat Washers (#10).
6. Transfer the MAF sensor into the Airaid Intake Tube
and secure using two 8-32 x 1/2” button head screws
(#10). Do Not Use The Factory Torx Head Screws.
7. Install the assembly onto the lower half of the facto-
ry airbox. Slide the metal tabs into the airbox slots, and
fasten the 3 airbox clips
8. A.) Insert the 5/8” Grommet (#18) into the Intake
tube as shown. Complete the tube assembly by insert-
ing the 5/8 PCV Fitting (#16) into the Grommet.
B.) Install the 3/8 “ Hose Fitting (#20) into the thread-
ed holt in the Intake Tube.
Tools Required For Installation:
5/32”and 3/32” Allen Wrenches
5/16”, Socket Ratchet and Extension
Phillips head screwdriver
2. A.) Disconnect the Mass Air Flow (MAF) Sensor.
B.) Unfasten the three clips on the left side of the facto-
ry airbox, and remove the upper half of the factory air-
box.
9. Install the Silicone Reducer (#7) and Hose clamps
onto the Airaid Intake Tube (#2). Place the #56 clamp
(#15) on the Throttle body side of the reducer, and the
#64 clamp (#17) on to the tube side.
Note: Tab is outside
Packing List:
#1
720-478
Airaid Premium Filter
1
#2
KIT239T
Air Meter Tube
1
#3
KIT299T
Airaid Intake Tube
1
#4
KIT299FPC
Front Panel
1
#5
KIT299RPC
Rear Panel
1
#6
KITHUMPHS03
Hump Hose
1
#7
KITRDCR18
Silicone Reducer
1
#8
KITWSTRIP02
22” Weather strip
1
KIT299HP
Hardware & Instructions
1
#9
-KIT15DHC3050
¼-20 x ½” Button Head Bolt
x2
#10
-KIT09FWZ019
1/4” Flat Washer
x2
#11
-KIT15BHC3050
#8-32 x ½”Button Head Screw x2
#12
-KIT6C31MXPPZ
#6-32 x 5/16 Pan Head Screw
x4
#13
-KIT6NWSAPZ
#6 Flat Washer
x4
#14
-KIT6CNKEPZ
#6-32Kep Nut
x4
#15
-KITHS56
#56 Hose Clamp
x1
#16
-KITHS60
#60 Hose Clamp
x2
#17
-KITHS64
#64 Hose Clamp
x1
#18
-KITGRMT10
Grommet
x1
#19
-KITFITTING15
PCV Fitting
x1
#20
-KITTFITTING01
¼ NPT to 3/8” Hose Fitting
x1
-KITBIT01
T-20 Torx Bit
x1
B
A
A
B
A
B