Older models will have one cable linking the throttle to the gas pedal, unless equiped with cruise control, in that case they will have another connecting the throttle to the cruise control system for a total of two. newer models with a drive by wire system will not have any visible cables, instead the throttle is controlled electronically.
The 2014 Subaru Impreza has 16 valves.
The 2004 Subaru Impreza has 16 valves.
The 2006 Subaru Impreza has 16 valves.
The 2003 Subaru Impreza has 16 valves.
The 2009 Subaru Impreza has 16 valves.
The 2011 Subaru Impreza has 16 valves.
The 2001 Subaru Impreza has 16 valves.
The 2007 Subaru Impreza has 16 valves.
The 2002 Subaru Impreza has 16 valves.
The 2012 Subaru Impreza has 16 valves.
The 2010 Subaru Impreza has 16 valves.
The 2005 Subaru Impreza has 16 valves.