helping a friend change both front axles on his 1.8l subaru impreza. Now he told me that the car is only two wheel drive but arent all subarus 4 wheel drive? please be kind and dont flame me.

also to complete the task, does anyone know whats the size of the axle nut? is it 27mm or 32mm just like the acura/honda axle nut sizes?

thanks in advance people