Shadow Grille Insert When you want a custom chrome look without drilling or expensive modifications, choose the Putco Shadow Billet Grille Insert. Putco's Shadow Billet Grille Insert installs on your truck in seconds over the existing truck manufacturer's grille without drilling, cutting, or removal of any grille components. Made from durable, mirror finish polished aluminum, the Shadow Billet Grille will add a distinctly custom look to your truck. Applications are available for most full-size trucks and SUV's. Putco's Shadow Billet Grille Insert has an optional coordinating bumper insert that is available for most applications. No special tools are required to install, only a screwdriver. Inserts are backed by Putco's limited lifetime warranty.