AIRTEC Motorsport Billet Quick Shift for Focus Mk4 ST.
Reduce your stock throw by 18%. This truly allows the user more options to fine tune their shift throws, to replace the original shift arm located on the gearbox.
AIRTEC Motorsport Front Mount Intercooler Upgrade for Focus ST Mk4
Developed and manufactured at AIRTEC HQ in the UK, we’re proud to launch our front mount intercooler upgrade suitable for modified Mk4 Focus ST models for track or fast road use.
As part of our development programme for the latest Mk4 Focus ST model , we’re proud to release our larger top induction pipe upgrade.