Ford Focus RS Forum banner


  1. Focus RS Performance
    Installed a mountune m380 kit on my late '17 focusRS! :) (notes + 25 images) preface: sorry x-post, put it in an images thread by accident lol. 4am+ posting...never good preface2: i have new HG from factory and let the car reach 10,000kms tracking coolant level & all vitals, no issues, before...