For what it cost to replace the radiator and/or repair the engine, I would stick with the stealership original Anti-Freeze coolant. Better be safe than sorry...
The 2010 Subaru Outback runs on regular unleaded.
The 2012 Subaru Outback runs on regular unleaded.
The 2011 Subaru Outback runs on regular unleaded.
The 2008 Subaru Outback runs on regular unleaded.
The 2014 Subaru Outback runs on regular unleaded.
The 2013 Subaru Outback runs on regular unleaded.
The 2002 Subaru Outback runs on regular unleaded.
The 2005 Subaru Outback runs on regular unleaded.
The 2001 Subaru Outback runs on regular unleaded.
The 2004 Subaru Outback runs on regular unleaded.
The 2007 Subaru Outback runs on regular unleaded.
The 2006 Subaru Outback runs on regular unleaded.