ATS has a kit for you if you have an Aurora 2000 turbo. If you have this turbo and you're thinking of going with twins, you can just add this kit onto the parts you already have and have the twin turbo setup.The upgrade kit includes an Aurora 5000, the A-3000 wastegated turbine housing, oil lines, low and high pressure air pipes, clamps and hoses and 3-piece manifold. This is a complete upgrade to convert your existing Aurora 2000 single turbo to the Aurora compound turbo set.