This universal heat shield from Injen Technology is manufactured from aircraft grade aluminum with a black coating for years of impressive looks under your hood. The Injen HS3500BLK heat shield has adjustable mounts and allows you fit this onto most 3in to 3.50in ID air filters. The HS3500BLK universal air filter heat shield deflects hot air and allows cool air to feed that hungry engine! Installation is simple and easily performed in under 30 minutes.