[b]Features[/b][br][br] Increased Flow[br] Direct OEM Replacement[br] Mandrel-Bent Aluminum Construction[br][br] The FTP BMW N55 Charge Pipe both increases flow and improves the reliability of your twin scroll turbo BMW. The mandrel bent aluminum pipe replaces the brittle factory plastic pipe which can fail under increased boost pressure. The increased piping size helps to reduce turbulence and maximize flow into the engine.[br]