Your upgraded Skyline Boost Controller will have people tripping over their own jaws. Adjust your turbo's power with a Boost Controller. Show the world you know your cars with modified Skyline Boost Controller. Choose the amount of boost with the Boost Controller for the optimum setup. Skyline Boost Controller will be the envy of all others. A Boost Controller is easily adjusted and easily installed. Make your engine the best it can be with a new Boost Controller.