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
Air Intake Systems
Air Intake Systems, Cold Air Intakes & Performance Intake Parts Shop premium air intake systems, cold air intakes, short ram intakes, air boxes, intake components, intake elbows, mass air flow sensors, scoops, snorkels, recharge kits, silicone couplers, and intake hoses at Black Ops Auto Works. This collection is built for enthusiasts looking to improve airflow, throttle response, induction sound, horsepower potential, and under-hood performance across cars, trucks, SUVs, Jeeps, muscle cars, off-road builds, and supercharged HEMI platforms. Whether you are upgrading a daily driver, Dodge Charger, Dodge Challenger, Dodge Durango, Jeep Grand Cherokee, Jeep Trackhawk, Ram TRX, Ram RHO, Toyota Tundra, Chevy Silverado, Chevrolet Camaro, Corvette, BMW, Cadillac CTS-V, Honda, Hyundai, Infiniti, or a custom performance build, our Air Intake Systems collection includes parts designed for fitment, durability, and real-world performance. Air Intake Systems from Top Brands Shop trusted air ...
View Air Intake Systems Products
Cold Air Intakes
Shop All Air Intakes & Performance Intake Kits Premium cold air intakes, performance air intake systems, short ram intakes, carbon fiber intakes, sealed air box intakes, HEMI intakes, Hellcat intakes, Trackhawk intakes, TRX intakes, and vehicle-specific intake upgrades. This collection is built for enthusiasts looking to improve airflow, throttle response, induction sound, horsepower potential, and under-hood styling across street cars, muscle cars, trucks, SUVs, Jeeps, off-road builds, and diesel applications. Cold Air Intakes from Top Brands Shop trusted cold air intake brands including Legmaker Intakes, aFe Power, JLT Performance, K&N Engineering, Airaid, Corsa Performance, Injen Technology, Spectre Performance, and Wehrli Custom Fabrication. These brands produce cold air intakes, short ram intakes, carbon fiber intake systems, sealed intake kits, performance air filters, intake tubes, and vehicle-specific air intake upgrades for domestic, import, truck, Jeep, SUV, diesel...
View Cold Air Intakes Products
K&N Engineering
Shop K&N Engineering cold air intakes, reusable air filters, oil filters, cabin filters, fuel filters and performance filtration upgrades at Black Ops Auto Works for cars, trucks, SUVs, diesel builds, off-road vehicles, muscle cars, Jeeps, Mopar platforms and custom performance applications. K&N Engineering is one of the most recognized names in automotive filtration and airflow technology. This collection includes K&N cold air intake systems, high-flow replacement air filters, universal clamp-on air filters, drop-in filters, oil filters, cabin air filters, fuel filters, Dryflow filters, filter cleaning kits, intake adapters, air intake accessories and performance filtration parts for street, towing, off-road, diesel and high-performance builds. Shop K&N Engineering Products by Category Find the right K&N performance filtration upgrade using related Black Ops Auto Works categories. Shop cold air intakes, air intake systems, air intake components, automotive air f...
View K&N Engineering Products


