Not sure which 2004 Cadillac CTS Air Filters - Custom Fit is right for you? We have over 12082 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"noticable gain from filter alone!" —Don H from Amarillo, TX bought a K&N Air Filters for a 2004 Cadillac CTS.
"The speed of the delivery of the filter was great. The filter fit my car like it was factory made. I have had no problems with it and feel it was a good purchase. Time will tell if the increased cost will be offset by the longevity of the filter." —Wayne B from Long Beach, CA bought a K&N Air Filters for a 2004 Cadillac CTS.