12-14 Honda Civic Si 2.4L 9thGen Red Shortram Air Intake Kit + K&N Filter Short Ram Replaces the stock restrictive air box and allows more air flow, thus increase horsepower & torque. 3" high quality aluminum piping. Would not crack or deform under high temperature. K&N air filter is pre-oiled from the K&N and is ready to be used. Easy to install without modification Vehicle Application: 2012 2013 2014 Honda Civic Si 2.4L (Coupe & Sedan)