I'm not sure what the rules are in other states, but in NSW, you now need to have all non-standard fuel system parts and ECUs certified by an engineer to stay legal.
Call me a pussy, but I prefer staying OEM on bits like this. It gives me great satisfaction that when you open the engine lid on my car, it's all original Toyota parts in there! Besides that, I think BEAMS engines were really well sorted straight from the factory, so I don't have the urge to mess with it – unless, I was going go as far as Mandalay has done with his. Since that's out of my budget range, I guess I'll just have to wait until he decides to sell me his car at a 'friendly price'.
