K&N BlackHawk Cold Air Intake System: Easy Installation, Engineered to Maximize Airflow, Boost Horsepower & Torque, 71-2581

The K&N Cold Air Intake Kit 71-2581 is a high-performance upgrade engineered for the 2011–2013 Ford F-150 5.0L V8, designed to deliver a guaranteed increase in horsepower and acceleration. This system is dyno-tested to provide up to 50% more airflow than the restrictive factory intake and air filter, improving throttle response and enhancing towing and uphill performance. Along with power gains, it delivers a deeper, more aggressive engine sound. The kit features a washable, reusable oiled synthetic air filter that offers world-class protection from harmful contaminants and requires no cleaning for up to 100,000 miles. With a bolt-on design, installation is quick and easy—typically completed in less than an hour using basic hand tools, with no ECU tuning required. Backed by K&N’s 10-Year/Million Mile Limited Warranty, this intake system is a simple and effective way to boost your F-150’s performance.

• K&N Cold Air Intake Kit: High Performance, Guaranteed to Increase Horsepower: 2011-2013 Ford F150, 5.0L V8, 71-2581
• 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 tube
• Better 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 contaminants
• Easy Maintenance: No filter cleaning required for up to 100,000 miles
• Easy 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.  
• Dyno Tested: Dyno-tested for a guaranteed increase in horsepower and acceleration with no ECU tune required