The K&N drop-in replacement air filter uses layered, oiled cotton media to improve airflow and capture contaminants, supporting increased horsepower and reliable engine protection. The washable, reusable filter installs into the factory air box for a simple direct-fit upgrade and is covered by K&N’s No‑Hassle Lifetime Limited Warranty. Fits Cadillac CTS and CTS‑V 3.6L V6 models (2008–2014).
K&N Replacement Air Filter CADILLAC CTS/CTS-V 3.6L-V6; 2008