03 04 05 06 07 Cadillac CTS Upper Billet Grille Grill Polished Aluminum Auto Billet Grille Upper (1PC) &bull; Installation: Replacement SKU# 10048 Each grille is professionally manufactured in our factory with more than 30 years of aluminum products experience. Each grille guarantees a black satin powder coating with a shining polished face. Bolt-over grilles are very easy to install with no cutting and no drilling needed. Most replacement grilles normally let you working DIY within 1 to 2 hours depending on your handyman skills.