2016-2017 Subaru Impreza Base 2.0L H4 GAS. 2012-2015 Subaru Impreza 2.0L H4 GAS. Position: Heater Outlet. Has all the quality features of a regular coolant hose for interchangeable use. Installs without buckling, bending out of shape, or straining at the connection for easy installation.