Injen SP1675P MegaRam Polished Cold Air Intake System Designed using Injens patented MR Technology process for the greatest horsepower and torque gains while maintaining a factory safe air-fuel ratio Aerospace quality aluminum construction to save weight and improve corrosion resistance TIG welded hardware and adapters AMSOIL Ea nanofiber filters provide better airflow while maintaining a high filtration rate with no oil required Backed by Injen Technologys limited lifetime warranty