Overview Reviews Product Description ROUSH 2013-2018 Ford Focus ST 2016-2018 Focus RS Cold Air Kit Roush 422065 Product Videos Custom Field Product Reviews Write a Review Write a Review × Roush ROUSH 2013-2018 Ford Focus ST 2016-2018 Focus RS Cold Air Kit Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *