The Race Solutions STI 2015-2018 Stage 3 + Flex Fuel Power Package Contains a COBB Accessport, SF Intake System, SF Airbox, SS 3" Downpipe, Cat-Back Exhaust, SS Turbo Heatshield, Flex Fuel Ethanol Sensor Kit, Fuel Pressure Sensor Kit, AEM High Flow Fuel Pump, Top Feed 1050x Fuel Injectors, Fuel Rails, Fuel Rail Line Kit, Fuel Rail Line Kit to Flex Fuel, Fuel Pressure Regulator for Fuel Rail Kit, Subaru Throttle Body Coupler, Silicone Turbo Inlet and the COBB Vehicle Badge.