This universal heat shield from Injen Technology is manufactured from aircraft grade aluminum with a beautiful polished finish for years of impressive looks under your hood. The Injen HS3500P heat shield has adjustable mounts and allows you fit this onto most 3in to 3.50in ID air filters. The HS3500P 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.