k-n-drop-in-air-filter-mini-cooper-s-2002-2006 ( 33-2270 )

K&N Filters are an excellent way to upgrade your performance and save some money in the process. The patented oiled-cotton design allows the maximum amount of airflow, while trapping harmful particles and dust. The upgraded flow will free up some power, while the stock-type design ensures it will drop right into your stock airbox, for a simple, quick installation (it usually takes less than 5 minutes). Best of all, K&N filters are backed by a million-mile warranty, so you’ll never have to buy anything else.