07-09 Toyota FJ Cruiser V6 4.0L Red Cool Ram Air Intake Kit w/ K&N Filter 08 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. 3" inlet K&N air filter (SKU# RU-3570) is pre-oiled from the K&N and is ready to be used. Mass Air Flow sensor plug is welded on the pipe so the stock maf sensor can be reused. Vehicle Application: Toyota 2007 2008 2009 FJ Cruiser V6 4.0L