The do88 airbox and intake hoses for the 2009–2011 Ford Focus RS 2.5L (MKII) are supplied in blue and replace the factory air filter box connections on the specified models. Intended for those Focus RS years, the hoses support correct air delivery to the intake system and provide a color-matched option for maintenance or visual enhancement of the engine bay.
do88 09-11 Ford Focus RS 2.5L (MKII) Air Filter Box Hoses - Blue