One problem related to manifold/header/muffler/tail pipe has been reported for the 2010 Subaru Forester. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2010 Subaru Forester based on all problems reported for the 2010 Forester.
Left side head gasket leaking oil onto the exhaust manifold. Subaru faulty head gaskets. Something needs to be done about the faulty head gaskets. Only 85000 miles on the engine.