18-20 Ford F-150/Raptor/Expedition/Navigator EcoBoost 3.5L Ecoboost K&N Engineering 57-2601 Cold Air Intake System

K&N Engineering 57-2601 Cold Air Intake System for 2018-2020 Ford F-150, Raptor, Expedition & Lincoln Navigator 3.5L EcoBoost

Improve horsepower, torque, and throttle response with the K&N Engineering 57-2601 Cold Air Intake System. Designed for the 2018-2020 Ford F-150, Raptor, Expedition, and Lincoln Navigator equipped with the 3.5L EcoBoost V6, this performance intake delivers increased airflow without replacing the factory airbox. Dyno-tested to produce an estimated 8.7 additional horsepower at 4,505 RPM and 12.9 lb-ft of torque over stock, the system combines a CAD-designed, roto-molded intake tube with K&N's washable, reusable High-Flow Air Filter. The durable black intake tubing promotes efficient airflow, while the original enclosed airbox retains factory heat protection and a clean underhood appearance. With easy installation, extended filter maintenance intervals, and K&N's No-Hassle Lifetime Limited Warranty, this intake offers a practical and affordable way to improve EcoBoost performance without complicated modifications or additional tuning.

Key Features

• Dyno-Tested Horsepower Gains: Delivers an estimated increase of 8.7 horsepower at 4,505 RPM compared to the factory intake.

• Increased Torque: Produces an estimated 12.9 additional lb-ft of torque to support improved acceleration and engine responsiveness.

• High-Flow Performance Design: Replaces restrictive factory intake tubing to help improve airflow, horsepower, and throttle response.

• Roto-Molded Intake Tube: Features durable black high-density cross-linked polyethylene tubing engineered for efficient airflow.

• CAD-Designed Construction: Intake tubing is designed to provide a smooth airflow path and reduce unnecessary restrictions.

• Washable and Reusable Air Filter: Includes K&N's red High-Flow Air Filter featuring multiple layers of oiled cotton gauze filtration.

• Factory Airbox Retention: Utilizes the original factory air filter housing, maintaining factory heat protection and fitment.

• Extended Filter Service Intervals: Designed to operate for up to 100,000 miles between cleanings under normal highway driving conditions.

• Enhanced Engine Sound: Improves intake and turbocharger sounds during acceleration for a more engaging driving experience.

• Direct-Fit Installation: Includes vehicle-specific intake components, couplers, clamps, and mounting hardware.

• No Additional Tuning Required: Engineered to deliver performance improvements with the factory engine calibration.

Benefits

• Increased Horsepower and Torque: Dyno-tested performance gains help improve acceleration without requiring internal engine modifications.

• Sharper Throttle Response: Reduced intake restrictions help the twin-turbocharged EcoBoost engine respond more readily during acceleration and passing.

• Improved Engine Breathing: Increased airflow helps support the engine's air demands during everyday driving, towing, and acceleration.

• Enhanced Turbocharger Sound: Improved intake airflow can make turbocharger and engine induction sounds more noticeable.

• Retains Factory Airbox Protection: The original airbox continues to shield the air filter from excessive engine compartment heat.

• Reduced Maintenance Costs: The washable and reusable K&N air filter reduces the need for disposable replacement filters.

• Extended Service Intervals: Up to 100,000 miles between filter cleanings under normal highway driving conditions helps simplify routine maintenance.

• Durable Construction: High-density cross-linked polyethylene tubing provides excellent resistance to heat, vibration, and everyday engine compartment conditions.

• Clean Engine Bay Appearance: Black intake tubing integrates with the factory airbox for a subtle, factory-inspired appearance.

• Affordable Performance Upgrade: Provides improved airflow and measurable horsepower gains without replacing the entire factory airbox.

• No-Hassle Lifetime Limited Warranty: Backed by K&N's Lifetime Limited Warranty against qualifying manufacturing defects, providing added confidence in product quality and durability.

Product Specifications

• Manufacturer: K&N Engineering

• Part Number: 57-2601

• Product Type: Performance Cold Air Intake System

• Product Series: 57 Series Fuel Injection Performance Kit (FIPK)

• Intake System Generation: Gen II

• Intake Tube Material: High-Density Cross-Linked Polyethylene

• Intake Tube Construction: Roto-Molded

• Intake Tube Color: Black

• Air Filter Type: K&N High-Flow Air Filter

• Air Filter Color: Red

• Air Filter Material: Oiled Cotton Gauze

• Air Filter Shape: Factory-Style Panel Filter

• Air Filter Outlet Shape: Not Flanged

• Replacement Air Filter Part Number: 33-2385

• Air Filter Maintenance: Washable and Reusable

• Air Filter Oil Required: Yes, Following Cleaning

• Recommended Filter Service Interval: Up to 100,000 Miles Under Normal Highway Driving Conditions

• Estimated Horsepower Gain: 8.7 HP at 4,505 RPM

• Estimated Torque Gain: 12.9 lb-ft

• Factory Airbox Retained: Yes

• Replacement Airbox Included: No

• Clamps Included: 6

• Clamp Material: Stainless Steel

• Clamp Style: Worm Gear

• Couplers Included: 3

• Mounting Hardware Included: Yes

• Product Weight: 5.8 lbs. (2.6 kg)

• Package Dimensions: 18.25" L x 14.5" W x 8.5" H

• Warranty: K&N No-Hassle Lifetime Limited Warranty

• CARB Executive Order Number: D-269-96

• Emissions Compliance: Legal in All 50 States for Approved Applications

• TUV Approved (Europe): No

Install Difficulty Level: Easy

Installing the K&N Engineering 57-2601 Cold Air Intake System is a straightforward performance upgrade that can typically be completed in less than 60 minutes using common hand tools. Unlike a complete airbox replacement, this system retains the factory air filter housing, making installation especially convenient. Installation involves removing the original intake tubing and disposable air filter, installing the reusable K&N High-Flow Air Filter, and connecting the new roto-molded intake tube using the included couplers, clamps, and mounting hardware. With no cutting, drilling, or specialized tuning equipment normally required, this upgrade is suitable for DIY enthusiasts with basic mechanical experience. The result is improved airflow and performance without an extensive installation process.

Vehicle Fitment

• 2018-2020 Ford F-150 3.5L V6 EcoBoost Twin-Turbo

• 2018-2020 Ford F-150 Raptor 3.5L V6 High-Output EcoBoost Twin-Turbo

• 2018-2020 Ford Expedition 3.5L V6 EcoBoost Twin-Turbo

• 2018-2020 Lincoln Navigator 3.5L V6 EcoBoost Twin-Turbo

Fitment Note: Specifically designed for compatible Ford and Lincoln vehicles equipped with the second-generation 3.5L EcoBoost V6 engine. This intake retains the original factory airbox and is not intended for 2.7L EcoBoost, 5.0L V8, or other engine configurations outside the listed applications.

California Emissions Compliance

CARB Exempt - Executive Order D-269-96

The K&N Engineering 57-2601 Cold Air Intake System has received a California Air Resources Board (CARB) emissions exemption under Executive Order D-269-96.

This exemption covers the following applications:

• 2018-2020 Ford F-150 3.5L V6 EcoBoost Twin-Turbo

• 2018-2020 Ford F-150 Raptor 3.5L V6 High-Output EcoBoost Twin-Turbo

• 2018-2020 Ford Expedition 3.5L V6 EcoBoost Twin-Turbo

• 2018-2020 Lincoln Navigator 3.5L V6 EcoBoost Twin-Turbo

The exemption permits installation and use on the listed vehicles in California, subject to the conditions of the executive order. The factory airbox and hydrocarbon trap must remain installed.

K&N lists this intake as street legal in all 50 states for the approved applications, making it a practical performance upgrade for enthusiasts seeking improved horsepower, airflow, and throttle response while maintaining applicable emissions compliance.

Questions About This Product?

For additional product information, assistance with vehicle compatibility, or to report inaccuracies in this product description, contact the MPT Performance experts at (407) 636-7077 or by email. Knowledgeable assistance is available to help select the right performance upgrades for a Ford F-150, Raptor, Expedition, or Lincoln Navigator EcoBoost.