Injen Technology SP1836BLK SP Series Mega Ram Black Cold Air Intake System Designed using the Injen 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 adaptors for maximum straight AMSOIL Ea Nanofiber filters provide better airflow while maintaining a high filtration rate with no oil required Backed by Injen Technologys limited lifetime warranty