Owners manual

ManualsBrandsK&N Filters ManualsAutomotive57-2574 Filtercharger Injection Performance Kit Fits 07-08 F-150

Flat Blade Screwdriver

Phillips Screwdriver

Ratchet

Extension

10mm Socket

13mm Socket

14mm Socket

13mm Wrench

T-20 Torx Wrench

5/32” Allen Wrench

Drill

1/8” Drill Bit

NOTE: FAILURE TO FOLLOW INSTALLATION INSTRUCTIONS AND NOT USING THE PROVIDED HARDWARE

MAY DAMAGE THE INTAKE TUBE, THROTTLE BODY AND ENGINE.

PARTS LIST:

NOTE: This kit was not designed

to t vehicles with a body lift.

FORD

2007-08 F-150

V8-4.6L

2. Rotate the crank case vent hose locking ring and

disconnect the crank case vent hose from the valve

cover.

3. Loosen the stock intake tube hose clamps and

remove the intake tube assembly from the vehicle.

4. Un-hook the secondary mass air sensor

electrical connection from the power steering

reservoir bracket. Depress the electrical connection

locking tabs and separate the electrical connection.

5. Pull up rmly on the air box, removing it from the

mounting grommets.

NOTE: K&N Engineering, Inc., recommends that

customers do not discard factory air intake.

6. Install “L” bracket (#070026) onto the heat shield

with the provided hardware.

7. Install the long edge trim onto the heat shield as

shown.

NOTE: Some trimming of the edge trim may be

necessary.

A Hose Clamp #52 2 08610

B Hose; 3.25” ID X 2”L, Black Silicone 1 08690

C Intake Tube 1 087217

D Vent; STRT, 5/8” Barbed 1/4 NPT, Nylon 1 08911

E Hose; 5/8” ID X 20”L, Black Silicone 1 08542

F Gasket; 3/16” Poron 1 09069

G Adaptor; Nylon 6/6 GF, Black 1 21515

H Bolt; M6 X 1.00 X 16MM, Buttonhead, SS 2 07730

I Washer; 6MM Flat, SS 2 08269

J Screw; M4- .7 X 12, Buttonhead, SS 2 07726

K Hose Clamp #56 3 08620

L Bracket; “L,” STL, FB/PC 1 06493

M Bracket; Saddle, S/S 1 078855

N Bolt; 6MM-1.00 X 20MM F/H/A, SS 1 08376

O Washer; Conical, Nylon, Black 1 08180

P Washer; 1/4” ID X 5/8” OD- SAE 3 08275

Q Nut; 6MM Nylock, Hexhead SS 2 07512

R Washer; 5-16” ID X 5/8” OD, Flat 1 08276

S Nut; 8MM Nylock 1 07542

T Hose; 3.5”ID X 2”L, Black Silicone 1 08630

U Heat Shield 1 074021

V Edge Trim (55”) 1 102480

W Edge Trim (17”) 1 102469

X Bracket; Small “L” 1 070026

Y Bolt; M6 X 1.00 X 20MM Hex, SS 1 07795

Z Spacer; .625” OD X .250” ID X .250”L, AL 1 06555

AA Screw; 12/24 X 7/8 Hextek #4 1 07789

AB Bolt; 3/8”- 16 X 1-1/4”L Hex, SS 2 07779

AC Washer; 3/8” Flat Washer, SS 2 08134

AD Insert; 3/8”- 16 X 3/400 X 15/16L, Rubber 2 08163

AE Adaptor; #380 1 21512-1

AF Hose Clamp #104 1 08697

AG Air Filter 1 RF-1041

Description Qty. Part #

TOOLS NEEDED:

57-2574

1. Turn off the ignition and disconnect the

negative battery cable.

NOTE: Disconnecting the negative battery

cable erases pre-programmed electronic

memories. Write down all memory settings

before disconnecting the negative battery

cable. Some radios will require an anti-

theft code to be entered after the battery is

reconnected. The anti-theft code is typically

supplied with your owner’s manual. In the

event your vehicles’ anti-theft code cannot be

recovered, contact an authorized dealership

to obtain your vehicles anti-theft code.

TO START:

Summary of content (3 pages)

PAGE 1
57-2574 FORD V 2007-08 F-150 V8-4.6L A NOTE: This kit was not designed to fit vehicles with a body lift. B TOOLS NEEDED: H G J Description A B C D E F G H I J K Hose Clamp #52 Hose; 3.25” ID X 2”L, Black Silicone Intake Tube Vent; STRT, 5/8” Barbed 1/4 NPT, Nylon Hose; 5/8” ID X 20”L, Black Silicone Gasket; 3/16” Poron Adaptor; Nylon 6/6 GF, Black Bolt; M6 X 1.00 X 16MM, Buttonhead, SS Washer; 6MM Flat, SS Screw; M4- .
PAGE 2
Continued INSTALLATION INSTRUCTIONS 8. Install the short edge trim into the hole in the heat shield as shown. NOTE: Some trimming of the edge trim may be necessary. 9. Remove the factory air box mounting grommets and replace them with the provided nut inserts as shown. 13. Release the mass air sensor electrical connection. 18. Install the mass air sensor assembly into the K&N® intake tube and secure with the provided hardware as shown.
PAGE 3
INSTALLATION INSTRUCTIONS Continued ROAD TESTING: 1. Start the engine with the transmission in neutral or park, and the parking brake engaged. Listen for air leaks or odd noises. For air leaks secure hoses and connections. For odd noises, find cause and repair before proceeding. This kit will function identically to the factory system except for being louder and much more responsive. 2. Test drive the vehicle. Listen for odd noises or rattles and fix as necessary. 23.