In all seriousness no. Site injection is a bunk theory. It will improve pump and a improved pump means more nutrients in muscle which equals growth. But you can do that with ceatine and a pre workout. The testosterone whether injected in quads, calves or delts need to circulate to increase igf levels and protein synthesis.
If you want to improve a ceftain muscle but not eat right, train hard, and be a disciplined human then google pump n pose or sythol and inject fat and oils into your muscles. While your at it buy a bunch of ed hardy shirts, get a fake tan, wear gold chains and party 7 nights a week at dance clubs. Don't forget gym tan laundry.