High Flow Cast Aluminum Intake Manifold for Mazda 3 MZR 2004-2008 Ford Focus ST Duratec 2003-2011 2.0L 2.3L Application: For Mazda 3 MZR 2.0L/2.3L 2004-2008 For Ford Focus Duratec 2.0L 2005-2007 For Ford Focus Duratec 2.0L 2008-2011 For Ford Focus Duratec 2.3L 2003-2004 For Ford Focus ST Duratec 2.3L 2005-2007 Requires Modification to fit Ford Transit Connect Duratec 2.0L 2011-2013 Discription: Direct fit with OEM throttle body. Improved MID to High RPM Power Range 20% more air flow to allow for significant top-end power gains. Improve horsepower by as much as 10%. Runner Ports Dimensions: 2" X 1.5" Throttle Body Opening Dimensions: 64mm. We recommend proper ecu tuning after installation of this intake manifold.
