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 for Hellcat, Trackhawk, TRX, HEMI, and import performance platforms are stocked at Black Ops Auto Works. Shop cold air intakes, short ram intakes, air boxes, intake elbows, mass air flow sensors, scoops, snorkels, and silicone couplers for street cars, trucks, Jeeps, and supercharged Mopar builds. Every intake system is filterable by vehicle platform, engine, and intake style so the correct part ships the first time. Black Ops Auto Works carries 4,427 air intake SKUs across cold air intakes, short ram intakes, and supporting components. What This Category Covers An air intake system pulls outside air into the engine and filters it before combustion. Upgrading the factory intake with a cold air intake, short ram intake, or carbon fiber system can improve airflow, throttle response, induction sound, and horsepower potential on compatible applications. Cold Air Intakes vs Short Ram Intakes Cold air intakes route the filter away from engine bay heat for cooler, de...
View Air Intake Systems Products
Cold Air Intakes
Shop cold air intakes, short ram intakes, closed-airbox intake systems, replacement air filters, intake tubes, and MAF housings from K&N, AEM, aFe Power, Airaid, S&B Filters, Injen, Roush, Volant, Corsa, Mishimoto, HPS Performance, Cobb Tuning, JLT, Vararam, Steeda, and other performance intake brands. Find full open-element cold air intakes, sealed-airbox systems, dry and oiled air filters, replacement drop-in filter panels, MAF sensor housings, and complete intake tube kits. Cold air intakes for domestic muscle, sport-compact tuners, diesel trucks, off-road 4x4, Euro performance, and modern sport SUVs Mustang, Camaro, Challenger, Charger, F-150, Silverado, Ram, Tundra, Tacoma, 4Runner, Wrangler, Bronco, Cummins, Duramax, Power Stroke, WRX/STi, Civic Type R, GR86, Supra, GR Corolla, BMW M2/M3/M4, Golf R, and hundreds of additional platforms. Filter by vehicle, intake style (open element, closed airbox, short ram, tube kit), filter media (oiled cotton, dry synthetic), tun...
View Cold Air Intakes Products
K&N Engineering
K&N Engineering filters and intakes for Jeep, RAM, Dodge, Chevy, Ford, Toyota, BMW, and Cadillac platforms are stocked at Black Ops Auto Works. Shop cold air intakes, Aircharger and NextGen intake systems, reusable panel filters, drop-in filters, universal clamp-on filters, oil filters, cabin filters, fuel filters, and filter cleaning kits for HEMI, Cummins diesel, EcoBoost, and LS/LT engine builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 1,927 K&N Engineering SKUs across intake, filtration, and maintenance categories. What This Brand Covers K&N Engineering built its reputation on reusable, high flow air filtration. This collection spans complete cold air intake systems, direct fit replacement filters, universal clamp-on filters for custom builds, and maintenance items like oil filters, fuel filters, and cabin filters. Cold Air Intakes and Intake Systems K&am...
View K&N Engineering Products


