Gradient Engineering Mk3 Focus ST/RS Cast Intake ManifoldThis easy to fit plug & play intake manifold for the Mk3 Ford Focus RS and ST fits with no modification needed to any of the standard pipework or fittings and uses the standard Focus RS or ST throttle body, gaskets and sensors. (Throttle Body and Head Port gaskets are not included but can be bought directly from Ford). You will feel the increased power from the moment you push the pedal thanks to the 8% increase* in power and torque throughout the rev