How to Install an Injen Power-Flow Cold Air Intake - Polished on your Ford F-150

Note: The installation of this cold air intake does require mechanical skills. Removal of the front bumper requires loosening and removing several plastic plugs and screws that may be difficult. It is recommended that this system be installed by a professional mechanic. Be sure to disconnect the negative terminal before proceeding.

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Remove the upper crank case breather line by pressing
on green clip and pulling out.

Remove the crank case breather line connected to the
valve cover. (A). vacuum line disconnected shown in
figure 3. (B)

Entire crank case breather line is removed.

Use a 10mm socket with 3/8 rachet and remove four
10mm bolts holding the air box cleaner to the intake
manifold. Arrows indicating bolt locations

Remove bolt 10mm bolt mounting intake duct to engine

Pull the intake duct connected to the fender well to
the left and pull out. (A) Remove entire air box
cleaner assembly. (B)

Entire air box cleaner assembly removed.

Take the 16”-10mm vacuum hose and place
it over the crank case port. The other end
will be connected to the intake pipe later.

Take the 3 1/2” 90 degree elbow and two 56 clamps and insert short end
of elbow over the trottle body.

Screw the M6 vibra-mount on to the factory air box bracket
(Figure A) Vibra-Mount mounted on to bracket. (Figure
B)

Remove the two screws that secure the MAF sensor
to the stock air box and then remopve the MAF sensor.
(Figure A) Re-install the MAF sensor onto the
machined adapter on the intake pipe. (Figure B)

Install the adaptor to the inside of the heat shield.

With the rectangular screen facing you, remove the 2
bolts on the left side of the Power-box as pictured
above

Attach the rubber trim seal to the top of the heat
shield.

Install the M6 stand off studs to the holes closes to
the adaptor.

Secure the 2 stand off studs using provided M6 nut and washer. Tighten using
10mm wrench.

A) Install the heat shield assembly into the vehicle and position the stand off
studs to the factory grommets. B) Make sure the grommets are seated completly.

Install the straight hose with clamps to the end of the intake tube.

Install the intake tube and position to the throttle body and heat shield.

Position thebracket to the vibra mount from step12.

Secure using m6 nut and washer. Tighten
using 10mm socket or wrench.

Position for the best possible fit and tighten
using 8mm nut driver.

Tighten the clamps on the elbow using 8mm nut driver.

Re-connect the MAF sensor harness.

Attach the 10mm hose to the fitting on the intake
tube.

Check for clearance and position for the best possible fit. Re-tighten if necessary.

Congratulations! You have just completed the installation of this Power-Flow
intake system. Periodically, check the fitment of the intake track and Power-box
in order to avoid damage to the intake system that could void the warranty.

1. Upon completion of the installation, reconnect the negative battery terminal before you start the engine.

2. Align the entire intake system for the best possible fit. Once the intake has been properly fitted continue to tighten all nuts, bolts and clamps.

3. Periodically, recheck the alignment of the intake system and make sure there is proper clearance around and along the length of the intake. Failure to follow proper maintenance procedures may cause damage to the intake and will void the warranty.

4. Start the engine and listen carefully for any odd noises, rattles and/or air leaks prior to taking it for a test drive. If any problems arise go back and check the vacuum lines, hoses and clamps that maybe causing leaks or rattles and correct the problem.

5. Check the filter for excessive dirt build up. Clean or replace the filter with an original Injen filter (can be bought on-line at "injenonline.com"). Congratulations! You have just completed the installation of the best intake system sold on the market. Enjoy the added power and performance of your new intake system.