Feature: Using good performance filter media to captures various debris. The air entering the engine cylinder is finely filtered to prevent dust and debris, ensuring a sufficient amount of clean air. Air Filter was designed to clean up exhaust so that the engine is less likely clogged by dirt. With a cleaner output, the engine is able to function that leading to a smoother and better horsepower. Engine air filter built with good capacity media while providing smooth airflow, non-restricting airflow, to ensure optimal engine performance which improves vehicle miles per gallon. Direct replacement can be completed in 5 minutes without tools and modifications. replace engine air filter ensuring it is sealed around the perimeter, replace cover and fasten. OE Number:25728874/25798270Fitment: for Cadillac CTS Base 2.8L V6-Gas,3.6L V6-Gas 2005-2007 for Cadillac STS Base 3.6L V6-Gas 2005 for Cadillac CTS Base 3.2L V6-Gas,3.6L V6-Gas 2004 for Cadillac CTS Base,Luxury,Luxury Sport 3.2L V6-Gas 2003 Package includes:1 PcsEngine Air FilterNote:This is non-OEM product, accessory ONLY!Please check the compatible models and corresponding notes below the product description before purchasing.