MK3 Focus ST ST250 Genuine Ford Service kit Cabin filter:No cabin filter -> Side Skirt Splitters (BLACK&RED)

-> Side Skirt Splitters (BLACK&RED)

Later after the 3rd pull on the dyno

Giving you 25-35% more efficiency more than stock

one of these being bar and plate and two being a tube and fin construction - with all three cores having different internal and external fin pitches and configurations

MK3 Focus ST ST250 Genuine Ford Service kit Cabin filter:No cabin filter -> Side Skirt Splitters (BLACK&RED)Genuine Ford service kit for MK3 Focus ST250 2. 0 Ecoboost Base kit includes 6L Castrol 5W20 Engine oil Genuine Ford oil filter Genuine Ford sump plug Options Genuine Ford spark plugs Genuine Ford air filter Genuine Ford Cabin filter