Home/Focus ST Air Intake Focus ST Ram Air Intake Scoop $200.06 Focus ST Intake Tube Upgrade 13-15 $393.09 Roush Cold Air intake, 2013+ Focus ST, 2016+ Focus RS $548.34 JLT Oil Separator 3.0 Front side, Black Anodized, 2013-18 Focus ST $211.50 Ford Performance Focus ST Cold Air Intake, 2013-14 $322.63
