It's a pretty involved job and if you need to ask on here you might be better off getting someone else to do it. I'm speaking from experience here.
The 2003 Subaru Legacy has 16 valves.
The 2003 Subaru Legacy is a gas-powered vehicle.
The 2003 Subaru Legacy has a 5-speed manual.
The 2003 Subaru Legacy has a flat 4 engine.
The curb weight of the 2003 Subaru Legacy is 3225 lbs..
The height of the 2003 Subaru Legacy is 4 ft. 7.7 in. (55.7 in.).
The 2003 Subaru Legacy is 15 ft. 4.4 in. (184.4 in.) long.
The 2003 Subaru Legacy has single overhead cam (SOHC).
The 2003 Subaru Legacy's turning circle is 35.4 ft..
The 2003 Subaru Legacy runs on regular unleaded.
The 2003 Subaru Legacy has 34.2 in. of rear leg room.
The 2003 Subaru Legacy has 38.9 in. of front head room.