These Injen SP Series Speed Pro intake systems are developed for enthusiasts who demand the best. These Injen SP series intake systems feature Injen’s patent-pending MR Technology process for optimal gains and a safe air/fuel ratio. The Speed Pro series systems do not limit themselves to just cold air intake or Short Ram systems. The MR Technology process has its effects on both types. The Speed Pro series systems are the world’s first bolt-on tuned intake systems designed specifically for your vehicle!