Ford F250 & F350 5.4L V8 K&N Air Filter for 1999 - 2007

Product Description
Replace highly restrictive worn-out factory air filter with a free-flowing, performance-enhancing unit from K&N Engineering! K&N's offers a lifetime replacement filters are designed to increase horsepower and acceleration while providing extra filtration for your Ford Truck. These filters are custom designed to fit into your existing factory air box! Adding performance has never been simpler with their drop-in design. Simply remove the disposable air filter and replace it with a K&N. No cutting or any other kind of fabrication is required.

And being backed by K&N's Million-Mile Limited Warranty™, this will be the last air filter you will ever buy!

Features:
• Increase horsepower and improve acceleration
• Increase fuel mileage
• Custom designed for a perfect fit in your factory air box
• So no fabrication required
• Backed by K&N's Million-Mile Limited Warranty™