Subaru 2005 Legacy Owner's Manual page 437

Driving tips
3. The crossbar with the 100 LBS Load Label at-
tached onto it is the front crossbar. An arrow is marked
on the back of the front crossbar for correct installa-
tion. Install the front crossbar so that the arrow faces
the front of the vehicle.
8-24
A) 10 in (250 mm)
4. Install the front crossbar so that the crossbar end
supports are located approximately 10 in (250 mm)
rearward from the joints between the roof rails and the
front roof rail supports.