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)
