With the rising innovations in factor engine management comes the need to over come their advance adaptivity to produce any kind of meaningful horsepower. Injen Technologys patented MR Technology does exactly this. Through a series of engineered and tested air-restricted sections, the pressurized mass air is controlled to a calculated aggression, allowing for a proper air and fuel calibration. The end results allows for more reliable and consistent horsepower and torque gains. This technology is availed to the sports compact market exclusively through Injen Technologys SP line of intake systems.