Injen Technology SP1125WB SP Series Air Intake System, Black Designed using Injen&#8217;s patented MR Technology process for the greatest horsepower and torque gains while maintaining a factory safe air and fuel ratio Features aerospace quality aluminum construction to save weight and improve corrosion resistance AMSOIL Ea Nanofiber filters provide better airflow while maintaining a high filtration rate with no oil required Includes TIG welded hardware and adaptors for maximum straight Backed by Injen Technology&#8217;s limited lifetime warranty