Intake manifold by TurboWorks. The manifold is ideally suited to the car model and engine. The set includes throttle, fuel rail and all parts needed for installation. Made of the best quality 6061T aluminum. Throttle diameter: 102mm. and engine. The set includes the throttle, fuel rail and all the parts needed for installation. Made of the best quality 6061T aluminum. Throttle diameter: 102mm