K&N Engine Air Filter: Increase Power & Acceleration; Washable; Premium; Replacement Car Air Filter: Compatible With 2020-2021 Cadillac Ct5; 33-5116

K&N washable; reusable High-Flow Air Filters feature a state-of-the-art design of layered; oiled cotton media engineered to improve airflow and capture contaminants; and are designed to provide an increase in horsepower. Each performance air filter is reusable; engineered to last for the entire lifespan of your vehicle; and backed by K&N's No-Hassle Lifetime Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product! Replacement Air Filter