Infinity FX37 Sedan 3.7L V6 Short ram intake system IS Series Is a traditional, underhood intake system that is placed in the stock location of the factory air-box system. Each system is built from 6061, T-6 aluminum alloy to ensure the lightest design possible. Built-in MR Technology for save Air/Fuel ratios and high power gains possible. * All mounting hardware and detailed instruction manual included for easy installation * Heat deflector shields included ( 2 pcs ) Additional Information Air filter X-1011 Motor 3.7L V6 Product Short Ram Intake System Manufacture year 2009-