Socket fits between the exhaust manifold and the oil filter for easy removal and installation of the filterWorks on 2003-newer Subaru vehicles having the 2.5L 4-cylinder, turbo engineThe OTC 6905 fits between the exhaust manifold and the oil filter for easy removal and installation of the filter. Works on 2003-newer Subaru vehicles having the 2.5L 4-cylinder, turbo engine.