K&N Performance Flat Pad Air Filters Available to fit: Ford focus
Size: 264mm x 144mm
K&N’s lifetime replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration.
These filters are custom designed to fit into your existing factory air box.
Their drop-in design means adding performance is simple. Simply remove the disposable air filter and replace it with a K&N; there is NEVER any cutting or fitting required.
Includes K&N\’s famous Million-Mile Limited Warranty
and will be THE LAST AIR FILTER YOUR VEHICLE WILL EVER NEED.