Intake manifold by TurboWorks. Manifold is perfectly suited to the model of the car and engine. Includes fuel rails and all parts needed for installation. Made of the best quality 6061T aluminum. Throttle diameter: 90mm TurboWorks intake manifold The manifold is ideally suited to the car and engine model.Includes fuel rails.Made of the best quality 6061T aluminum.Throttle diameter: 90mm TurboWorks inlet manifold. The manifold is perfectly suited to the car model and engine.Made of the best quality 6061T aluminum. Throttle diameter: 90mm. for installation.