Injen 2009 Lancer Ralliart 2.0L Turbo Polished Upper Intercooler Pipe KitInjen Intercooler pipes are the next logical step in your search for power gains. The Injen staff has put in the time and work to develop parts that perform. These Intercooler pipes are no different, after investigating the OE piping, our engineers identified numerous areas where improvement was necessary. The Injen performance intercooler pipes are constructed of mandrel bent aluminum piping that eliminates the rust buildup present in the most stock