How often does the air filter need to be serviced?

The oversized, conical air filter in this kit is designed to go up to 100,000 miles between services under normal highway driving conditions. When it does need cleaning, it is washable and reusable.

Will this intake void my truck's warranty?

No, this K&N performance intake kit is designed to not void your vehicle's factory warranty. It also comes with K&N's Million Mile Limited Warranty.

Is this intake system legal for use in California?

Some K&N intake systems are not legal for sale or use on pollution-controlled motor vehicles in California. Please check the product specifications for the specific CARB status for this part on your vehicle.

2004-2005 Ford F-150 Cold Air Intake | K&N 57-2557

Name: K&N 04 Ford F150 V8-4.6L Performance Intake Kit
Brand: K&N
Price: 367.99 USD
Availability: InStock

K&N 04 Ford F150 V8-4.6L Performance Intake Kit

$367.99

Only 3 left in stock

Fits 2004-2005 Ford F-150. K&N cold air intake kit for V8-4.6L engines, guaranteed to increase horsepower and torque.

Key Features

Fits 2004-2005 Ford F-150 V8-4.6L.
Guaranteed increase in horsepower and torque.
High-density polyethylene (HDPE) tube increases airflow volume.
Washable and reusable High-Flow Air Filter with oiled cotton media.
Oversized, conical filter design allows for up to 100,000 miles between services under normal highway driving.
Custom heat shield protects intake air from engine bay heat.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Fits this vehicle

Ford F-150 2004-2005

Product Details

K&N Engineering is well-known for making performance air filters and intake systems that help engines breathe better. This performance intake kit, part number 57-2557, is specifically made for your 2004-2005 Ford F-150 with the V8-4.6L engine. It's designed to increase the volume of air going into your engine, which can lead to a noticeable boost in both horsepower and torque.

The kit includes a high-density polyethylene (HDPE) tube, which is rotationally molded to help improve airflow. It's paired with K&N's washable and reusable High-Flow Air Filter. This oversized, conical filter uses oiled cotton media and is designed to go up to 100,000 miles between cleanings under normal highway driving. A custom heat shield is also included to help keep the intake air away from the engine's heat, ensuring cooler, denser air enters the engine for better performance. K&N guarantees an increase in horsepower and torque with this system.

Installation is typically straightforward and can often be completed in under 60 minutes. This intake system also comes with K&N's Million Mile Limited Warranty and will not void your vehicle's factory warranty.