Adding an aftermarket intake system
to your Ford is one of the easiest and most cost effective ways to increase you
trucks horsepower and torque. A 77 series K&N intake system will allow your
engine to breathe easier resulting in more power. Better airflow means increased
performance and better fuel economy. Another important feature of the 77 series
intake in the washable filter. This allows the filter to be used over and over
again without needing to buy a new one every time which is necessary when using
paper filters. If your looking to add power to your Ford, and get better gas
mileage, a K&N 77 series intake is for you.
77 Series
Intake Benefits
- Increase in horsepower and
torque
- Better throttle response
- Reusable filter. No more
buying paper air filters
- Increase in fuel economy
- Custom, aggressive look in
your engine bay
- Deepens your exhaust tone
- One Million mile K&N warranty
Dyno Charts
1998 Ford
F-150 4.2L - 6.15 Hp Gain
2001 Ford
F-150 5.4L - 9.38 Hp Gain
2006 Ford
F-150 4.6L - 7.68 Hp Gain
Specifications
| Car Fitments |
Model |
Estimated Horsepower Gain |
Replacement Filter |
Weight |
Length |
Width |
Height |
| 1997-2004 Ford F-150 4.2L V6 |
77-2550KP |
6.15
HP @ 4567 RPM |
RC-5107 |
9.9
lb |
23
in. |
14.38
in. |
12.25
in. |
| 1997-2003 Ford F-150 4.6L/5.4L V8 +1997-1998
4.6L/5.4L F-250 |
77-2514KP |
9.38
HP @ 4093 RPM |
RC-5046 |
12.1
lb |
19.13
in. |
18.25 in. |
12.25 in. |
| 2004-2005 Ford F-150 4.6L V8 |
77-2557KP |
9.31
HP @ 4724 RPM |
RF-1020 |
12.7
lb |
19.13 in. |
18.25 in. |
12.25 in. |
| 2004-2008 Ford F-150 5.4L V8 |
77-2556KP |
9.53 HP @ 3725 RPM |
RC-5046 |
11.3 lb |
19.13 in. |
18.25 in. |
12.25 in. |
| 2006 Ford F-150 4.6L V8 |
77-2569KP |
7.68
HP @ 4775 RPM |
RF-1041 |
12.4
lb |
23
in. |
14.38 in. |
12.25 in. |
(77-2556KP pictured)
Installation
- Typically can be
installed in under 90 minutes
- Doesn't require any
special tools
Install Guides
1999-2004 Ford F-150 4.2L V6 (77-2550KP)
1997-2003 Ford F-150 4.6L/5.4L
V8 +1997-1999 F-250 4.6L/5.4L V8 (77-2514KP)
2004-2005 Ford F-150 4.6L V8 (77-2557KP)
2004-2008 Ford F-150 5.4L (77-2556KP)
2006
Ford F-150 4.6L (77-2569KP)
