2003-2007 CTS 2.8L/3.2L/3.6L V6 - K&N - Replacement Filter

Designed to increase HP and Acceleration while providing excellent filtration. This filter is Washable and Reusable. It was Designed to fit into your Factory Airbox.

K&N makes over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details. K&N's stock replacement air filters for street vehicles are covered by their famous K&N Million-Mile Limited Warranty™ and will be THE LAST AIR FILTER YOUR VEHICLE WILL EVER NEED.