K&N Replacement High-Flow Air Filters are The Original High-Flow Air Filter.

Since 1969 K&N Engineering has been designing, manufacturing, and enhancing High-Flow Air Filters for the automotive and motorcycle enthusiast interested in maximizing horsepower and acceleration.  Since K&Ns humble beginnings they have designed and manufactured over 2,400 High-Flow Air Filters to fit most modern passenger vehicles and over 500 High-Flow Air Intake Systems to fit vehicles driven by enthusiast minded drivers. Now there is a filter for your Ford Fusion.  This replacement filter fits using your stock air box to help increase airflow to the engine boosting power.  This item installs in minutes for one of the most easy and inexpensive performance modifications that can be made to your Fusion.