This is actually very easy, but you'd need to buy a c-clamp from the parts store to be able to suppress the caliper to fit the break pads in. Once caliper is suppressed - put the break pads in, fit the caliper with break pads into the rotor and put the wheel back - you're done.
The 2005 Subaru Outback has 40.5 in. of front head room.
The 2005 Subaru Forester has 39.8 in. of front head room.
The 2005 Subaru Forester has 53.5 in. of front shoulder room.
The 2005 Subaru Forester has 51.6 in. of front hip room.
The 2005 Subaru Impreza has 42.9 in. of front leg room.
The 2005 Subaru Impreza has 52.7 in. of front shoulder room.
The 2005 Subaru Legacy has 44.1 in. of front leg room.
The 2005 Subaru Outback has 54.4 in. of front shoulder room.
The 2005 Subaru Outback has 51.0 in. of front hip room.
The 2005 Subaru Legacy has 51.0 in. of front hip room.
The 2005 Subaru Forester has 43.7 in. of front leg room.
The 2005 Subaru Impreza has 39.7 in. of front head room.