Description

A high-density polyethylene (HDPE) rotationally-molded tube helps increase the volume of airflow to your engine, and provides a guaranteed increase in horsepower and torque. These systems are paired with a washable, reusable High-Flow Air Filter featuring oiled cotton filter media. The oversized, conical design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom heat shield helps protect intake air from the high temperature of your engine bay, and the entire system can typically be installed in less than 60 minutes.

Fitment

This part fits the following vehicles.

1999-2003 Ford F-250 Super Duty
1999-2003 Ford F-350 Super Duty
2000-2003 Ford Excursion

Features & benefits

Engineered to provide high airflow and exceptional filtration
Replaces factory air filter and intake tube
Filter only requires cleaning every 100,000 miles under normal highway driving conditions
Typical installation can be completed in 60 minutes or less with simple hand tools
No-Hassle Lifetime Limited Warranty™
Will not void vehicle warranty
Guaranteed to increase horsepower and torque
Roto-molded HDPE intake tube paired with oversized oiled cotton air filter
K&N Million Mile Limited Warranty

Specifications

Air Box Included	No
Air Filter Color	Red
Air Filter Material	Cotton Gauze
Air Filter Outlet Shape	Round
Air Filter Washable	Yes
CARB EO Number	D-269-25
Clamp Color/Finish	Natural
Clamp Material	Stainless Steel
Clamp Style	Regular
Clamps Included	4
Country Of Origin	USA
Coupler Color/Finish	Black
Couplers Included	1
Epa	Compliant
Estimated Horsepower Gain	14.88 HP @ 2925 RPM
Estimated Torque Gain	27 lbft
Intake Pipe Color / Finish	Black
Intake Pipe Material	High-Density Cross-Linked Polyethylene
Intake Pipe Ports	All intake tube ports needed for the specified applications are included
Mass Air Flow Sensor Adapter Included	No
Mounting Hardware Included	Yes
Oil Included	Yes
Package Material	Paperboard
Package Type	Box
Product Style	57 Series FIPK
Replacement Filter	RC-4780
Street Legal	Yes
Street Legal In All US States	Not legal for sale or use in California on any pollution controlled motor vehicle. NOTE: Some specific models and years may be legal in CA. Check the CARB status on your parts at knfilters.com.
TUV Approved (Europe)	No
Type	Gen II
Weight	10.3 lb (4.7 kg)

Videos and guides

Installation Instructions PDF

Magnuson-Moss Warranty Act

Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)).

California residents

WARNING: This product can expose you to chemicals including nickel, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.

Performance Air Intake System