With the ignition switched off and the parking brake set, disconnect the negative battery terminal on the battery.

IMPORTANT: Failure to disconnect the battery for a minimum of 2 hours may cause the Check Engine Light to illuminate upon completion of the installation or subsequent operation. DO NOT SKIP THIS STEP!

Loosen the hose clamp by the stock airbox and pull the tube out.

Loosen the hose clamp at the tube leading to the turbo inlet on the passenger side.

Loosen the hose clamp at the tube leading the turbo inlet on the driver side.

Unhook the two latches on the stock airbox.

For 2017 3.5L Ecoboost Only. Disconnect the clip securing the vacuum line on the stock airbox.

Lift and remove both the lid and stock air filter.

Remove the IAT sensor from the stock air tube by turning the sensor counter-clockwise and pulling out. You should be able to feel the sensor unlock as you are making the turn. Push down on the wire harness connector tab to remove the wiring harness from the sensor.

Lift up and remove the stock air tube.

Remove the retaining bolt on the stock airbox using a 13mm socket.

Note: The retaining bolt will be reused in Step 22.

Remove the plastic rivets on the stock air inlet using a flat head screwdriver.

Disconnect the two-wire harness clips on the stock airbox.

Lift and remove the stock airbox.

Remove the grommet and metal bushing from the stock airbox. Removing the metal bushing first will make removing the grommet easier.

Install the grommet into Airbox (A) first and then install the metal bushing from the inside.

For 2017 3.5L Ecoboost Only. Install the Vacuum Line Bracket (W) with the 1/4-20 Screw (X), Washer (Y) and Locknut (Z).

Install the Cuff (C) and #104 Hose Clamp (L) onto the side of the Airbox (A). Make sure that the rubber pull tab on the tube seal is on the bottom. Tighten the hose clamp.

Install the Front Inlet (G). Use the supplied Plastic Rivet (H) to secure the front inlet to the Airbox (A). Use two plastic rivets on each hole and pinch them together to lock them in place.

Install the Grommet (V) into the Intake Tube (B).

Install the Hump Coupler (P) with Hose Clamp #52 (R) into the Intake Tube (B) that leads to the passenger side. Do not tighten the hose clamps. Install the Straight Coupler (U) and Hose Clamp #72 (T) that leads to the driver's side. Do not tighten the hose clamps. To make the installation onto the turbo inlet tubes easier, try to slide the coupler in over the air intake tube as much as possible.

For 2.7L EcoBoost Only. You will need to reroute the vent hose. Remove the vent hose connector by pinching the red clip and pushing in through the connector. Reroute the vent hose as shown. Reorient the black plastic hose clip and snap in place the two vent hoses. Then reinstall the red connector.

Locate the CCV hose on the lower intake tube, highlighted with the red arrow.

Disconnect the quick disconnect by rotating the tab on the quick disconnect. Removing the engine cover improves access, but is not necessary.

Orient the CCV tube insert, the angled cut on the insert should be facing the turbo/firewall.

Insert the CCV tube insert until the insert bottoms out against the quick disconnect.

Reattach the hose and reinstall the cover, if previously removed.

Install the Airbox (A). Make sure that the box prongs are aligned with the factory grommets. Push down on the airbox to make sure that the prongs are completely seated.

Reinstall the retaining bolt removed in Step 9 and tighten the bolt to secure the Airbox (A). Install the retaining bolt from inside the airbox.

Install the IAT Sensor into the Intake Tube (B). Make sure to remove the IAT Sensor O-Ring prior to installing. Use a twisting motion to make it easier to guide the sensor into the grommet. Make sure that the sensor is seated all the way so that the sensor tab is touching the grommet and is lined up with the triangle mark located on the air intake tube.

Place the Air Filter (D) inside the Airbox (A). Turn the filter sideways and slide it into the box. Do not tighten the hose clamp.

Feed the Intake Tube (B) through the Cuff (C) and into the airbox until the air filter fits up to the bead. As you are feeding, try to align the air intake tube with the turbo inlet tubes.

Once the bead is up to the Cuff (C). Slide the Air Filter (D) onto the Intake Tube (B).

Tighten the Hose Clamp #88 (K) at the Air Filter (D).

Slide the Straight Coupler (U) over the driver side turbo inlet tube on the bottom. Leave the hose clamps loose for now.

Slide the Hump Coupler (P) over the passenger side turbo inlet tube.

Tighten both #52 Hose Clamps (R).

Tighten both #72 Hose Clamps (T) on the driver's side.

For 2015-2016 Models and 2017 2.7L EcoBoost Only. Reconnect the wiring harness back into the IAT sensor.

For 2017 3.5L EcoBoost Only. Connect one end of the IAT Sensor Extension Harness (AA) into the stock IAT harness and the other end into the IAT sensor. Use zip ties to secure the extension harness from any hot surfaces and moving components that may cause damage.

For 2015-2016 Models and 2017 2.7L EcoBoost Only. Insert the two-wire harness clips disconnected in Step 11 into the holes on the side of the Airbox (A).

For 2017 3.5L EcoBoost Only. Insert one wire harness clip into the hole under the S&B Logo and use zip ties secure the other wire harness clip away from any hot surfaces and moving components that may cause damage.

For 2017 3.5L EcoBoost Only. Reconnect the clip securing the vacuum line into the slot on the Vacuum Line Bracket (W).

Use the two provided Plastic Rivet (J) to secure the Front Inlet (G) onto the radiator cover. Firmly push down on the center pin of the plastic rivet until it locks into the closed position.

If your kit came with our new snap-in lid design, please proceed to STEP 38 to install your snap-in lid. If your lid is the traditional screw in lid, please proceed to the next step.

Remove the protective covering from the Clear Lid (E).

Install the Lid Seal (F) around the Clear Lid (E).

Place the lid on top of the Airbox (A) and secure the lid using the six provided 10-24 Screw (N) and Sealing Washer (M). Do not overtighten.

For Snap-In Lids Only

Remove the protective covering from the Clear Lid.

For Snap-In Lids Only

Stretch silicone lid seal around the perimeter of the clear lid. It should be a snug fit.

For Snap-In Lids Only

The notch on the lid and the tab of the lid seal should mate in the same corner.

Reconnect the negative terminal on the battery. Inspect your installation, make sure the kit is properly positioned and all fasteners are secure. Keep all stock parts incase you would ever need to reinstall the stock intake. The installation is now complete.