SKU: 77-2556KP | UPC: 024844112804
K&N 77-2556KP Performance Air Intake System for 2004-2008 Ford F-150 V8-5.4L, 2005 Expedition 5.4L V8, 2006-2008 Lincoln Mark LT 5.4L V8
The K&N 77-2556KP delivers guaranteed horsepower and torque gains for 2004-2008 Ford F-150 5.4L V8 trucks, 2005 Ford Expedition 5.4L V8 SUVs, and 2006-2008 Lincoln Mark LT 5.4L V8 pickups. This mandrel-bent aluminum cold air intake system pairs with a washable high-flow oiled cotton air filter for increased airflow and filtration. Installation replaces the factory air filter and intake tube in 60 minutes or less using basic hand tools.
Key Features
- High Airflow Design: Mandrel-bent aluminum intake tube and oversized oiled cotton filter allow more air into the engine for power gains.
- Reusable Filter: Washable high-flow air filter cleans every 100000 miles under normal highway driving to maintain performance long-term.
- Power Guarantee: Engineered to increase horsepower and torque on 5.4L V8 engines with exceptional filtration protection.
- Lifetime Warranty: Covered by K&N No-Hassle Lifetime Limited Warranty for peace of mind.
- Easy Bolt-On: Direct replacement for stock components with no vehicle modifications needed.
Product Notes
- Filter service interval is every 100000 miles under normal conditions, using K&N cleaning kit.
- EPA compliant for all applications with no impact on vehicle warranty.
- Product weight is 11.3 lbs with shipping box dimensions of 23.75 x 14.25 x 9.75 inches.
Installation Notes
- Professional installation recommended.
- Completes in 60 minutes or less with basic hand tools like screwdriver and pliers.
- Includes all necessary hardware and clamps for direct bolt-on fit.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2005 | Ford | Expedition | Eddie Bauer |
| 2005 | Ford | Expedition | Limited |
| 2005 | Ford | Expedition | XLS |
| 2005 | Ford | Expedition | XLT |
| 2007-2008 | Ford | F-150 | FX2 |
| 2004-2008 | Ford | F-150 | FX4 |
| 2006-2008 | Ford | F-150 | Harley-Davidson Edition |
| 2005-2008 | Ford | F-150 | King Ranch |
| 2008 | Ford | F-150 | Limited |
| 2008 | Ford | F-150 | THE 60TH ANNIVERSARY EDITION |
| 2004-2008 | Ford | F-150 | XL |
| 2004-2008 | Ford | F-150 | XLT |
| 2006-2008 | Lincoln | Mark LT | Base |
Why Choose K&N?
- Over 50 years as a leader in high-performance filtration products.
- Systems deliver dyno-proven power increases on millions of vehicles.
- Precision engineering ensures perfect fit and maximum airflow gains.
Frequently Asked Questions
- Q: Does this fit my 2006 Ford F-150 5.4L V8 XLT?
A: Yes, the 77-2556KP fits all 2004-2008 Ford F-150 models with 5.4L V8 engines including XLT, XL, FX4, and others listed. - Q: What materials are used in the intake system?
A: Mandrel-bent aluminum tube for durability and smooth airflow, paired with oiled cotton gauze filter media for high flow and dust protection. - Q: What is the warranty and service interval?
A: Backed by K&N No-Hassle Lifetime Limited Warranty. Clean the filter every 100000 miles under normal highway driving.
Shipping & Handling
- Method: Ground shipping via UPS or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Secure box measuring 23.75 x 14.25 x 9.75 inches
- Weight: 11.3 lbs
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