AS Performance Group 'A' open Air-filter with Cold Feed Scoop SD Performance This increases the capacity of

This increases the capacity of the unit which increases the volume of oil contained which in turn reduces the peak temperature and so significantly improves damper performance

Comprehensive documentation for easy use

TEST RESULTS: Hot side - Into Intercooler from Turbo & Cold side - Out of Intercooler into engine

7/5Kg/mm Ford Focus ST Mk3 13+

Will I need to change my dampers

AS Performance Group 'A' open Air-filter with Cold Feed Scoop SD Performance This increases the capacity ofGreat addition to your ST, Fits all Pre Face lift and Face lift models Deep induction note & lots of waste gate chatter No worrying about water ingress on low level filters, which is a concern for some ST owners Not content with fitting a huge k&n filter we have also added a cold feed scoop which can aid Airflow into the filter & also doubles up as a protection if you have RS vents fitted Kit includes 1x Huge Group 'A' style k&n filter 1x AS