Auto Ventshade 894025 Low Profile Dark Smoke Ventvisor Side Window Deflector, 4-Piece Set for 2008-2013 Cadillac CTS Lowest profile ventvisor on the market today, creates a factory-installed seamless appearance with subtle style; smoke finish Lets fresh air in and keeps rain out, allows fresh air to circulate removing stale air and odors Reduces interior wind noise and mirror fogging and cools off interior when parked No special hardware or drilling required - installs fast with pre-applied 3M automotive-grade adhesive Proudly made in the USA and backed by a Limited Lifetime Warranty