ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle.GUARANTEED INCREASE IN HORSEPOWER: Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tubeBETTER TOWING: Improves acceleration and uphill performance when towing by improving throttle response.IMPROVED ENGINE SOUND: Hear the power under the hood.WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminantsEASY MAINTENANCE: No filter cleaning required for up to 100,000 milesEASY TO INSTALL: Bolt-on power in less than an hour with basic hand tools. K&N air intake systems are one of the easiest ways to guarantee an increase in horsepower.
K&N air intake systems are engineered for increased performance, outstanding durability, and sleek aesthetics—and are available in an assortment of finishes and powder coatings. K&N’s state-of-the-art High-Flow Air Filter™ helps to shield your engine from contaminants, while a meticulously engineered aerodynamic tube design contributes to a guaranteed increase in horsepower and torque. K&N air intake systems are designed to improve acceleration, towing, and throttle response while providing world class protection for your engine. Our intakes are dyno-tested and provide up to 50% more airflow compared to OEM intake systems. K&N intakes are easy to install and maintain with air filter cleaning required only every 100,000 miles. Vehicle Fitment: 2015-2021 FORD F150
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| Performance Intake - Enclosed Airbox | Performance Intake - Enclosed Airbox | Performance Intake - Enclosed Airbox | Performance Intake- Factory Air Box Kit |
| Part Number | 63-2599 | 57-2599 | 63-2596 | 63-2609 |
| Street Legal in all 50 States | NO | 2017 50 State Legal - CARB EO# D-269-62 | NO | NO |
| Tube Material | High Density Polyethylene | High Density Polyethylene | High Density Polyethylene | High Density Polyethylene |
| Tube Color | Black Factory-like Finish | Black Factory-like Finish | Black Factory-like Finish | Black Factory-like Finish |
| Filter Media Type | Oiled 4-Layer Cotton | Oiled 4-Layer Cotton | Oiled 4-Layer Cotton | Oiled 4-Layer Cotton |
| Filter Color/Type | Red Cone | Red Cone | Red Cone | Red Cone |
