More Horsepower for 2004-2008 Ford F150 and Lincoln Truck Models with K&N Black Air Intake

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K&N Air Intake under the hood of Ford F150 & Lincoln Mark LT
K&N Air Intake under the hood of Ford F150 & Lincoln Mark LT
The Ford F150, the best-selling light-duty pickup truck in America, has earned this reputation over the decades. Ford has consistently built durable, powerful pickup trucks with a range of options that meet the needs of owners from getting groceries to carrying heavy loads at construction sites. The F150 has even become a popular platform for building award-winning show trucks. Now, owners of 2004-2008 Ford F150 trucks with 5.4 liter engines can add guaranteed horsepower and sleek styling under the hood with the K&N 71-2556 Blackhawk Induction performance air intake system.
K&N Air Intake System for Ford F150 & Lincoln Mark LT
K&N Air Intake System for Ford F150 & Lincoln Mark LT

The K&N 71-2556 Blackhawk Induction™ air intake system brings a powerful blend of performance and aesthetics. The aluminum air intake tube helps to streamline airflow into the engine and it is powder coated black for a clean look. The tube also comes with a welded-on K&N engraved plate for a bit of flash to tastefully contrast the powder coating. A heat shield shrouds the RU-3101HBK air filter to help isolate incoming air from heat under the hood. The air filter is a dry synthetic filter that doesn’t require any oil, and offers excellent protection for the engine without sacrificing airflow. It’s also washable and reusable so it never needs to be replaced, and can go for up to 100,000 miles between cleanings depending on driving conditions.

Like the F150, power is part of the appeal of the 71-2556 air intake. On the dyno, the 71-2556 intake system produced an estimated additional 11.5 horsepower at 3800rpm and 15.3 pound-feet of torque at 3466rpm to the wheels. That power will be heard when you want it because the 71-2556 removes the restrictive factory resonating chambers.
Dyno Chart for K&N Ford F150 & Lincoln Mark LT Air Intake 71-2556
Dyno Chart for K&N Ford F150 & Lincoln Mark LT Air Intake 71-2556

As with all K&N Blackhawk Induction air intake systems, the 71-2556 maintains all necessary factory connections and is easy to install. It’s backed by K&N’s famous Million Mile Limited Warranty and is built to perform under the most rigorous of conditions.

Whether your F150 is a show time stallion, a worksite workhorse, or a dependable daily driver, the 71-2556 Blackhawk Induction air intake system brings a duo of power and tasteful flair under the hood that only K&N could craft. Find on at a dealer near you at!

The 71-2556 air intake fits the Ford and Lincoln models listed below:

2008 Lincoln Mark LT 5.4L V8
2008 Ford F150 5.4L V8
2007 Lincoln Mark LT 5.4L V8
2007 Ford Lobo 5.4L V8
2007 Ford F150 5.4L V8
2006 Lincoln Mark LT 5.4L V8
2006 Ford Lobo 5.4L V8
2006 Ford F150 5.4L V8
2005 Ford Lobo 5.4L V8
2005 Ford F150 5.4L V8

For all K&N Ford F150 air intakes visit the Air Intakes for Ford F150 page on


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K&N Engineering in Riverside California is the world's leading manufacturer of washable performance air filters and air intake systems. K&N invented the reusable high flow cotton air filter in 1969 and has been perfecting the technology ever since. K&N is a world class filtration company selling air filters, oil filters, and intakes in over 30 countries. K&N sells over 5,000 products designed for cars, trucks, motorcycles, engines, and industrial applications. From their Million Mile Warranty to their Consumer Protection Pledge, K&N stands behind their products and their consumers 100%. The distinctive K&N logo represents performance from one of the original performance companies. For more information, visit