Fits 2011-2014 Mustang GT with manual transmission Original equipment on Mustang Boss 302, 302S and 302R Race Cars Made from light-weight composite material Short runners for optimum flow at high rpm's. Includes unique Ford Racing intake badging O-ring intake gaskets included Boss 302 Intake Manifold Install Kit, Part No. M-9444-M50B is recommended and includes the necessary production components to complete the installation. (Minor wiring harness modifications required) Calibration is necessary to prevent engine damage! Calibration not included! NOTE: Boss inlet tube does not have provisions for aspirator tube hook up common to automatic equipped 2011-2014 Mustang GT.