AIRTEC Motorsport Header tank for Focus Mk4 ST Header Tank Cap:Standard Blue Cap These Focus ST performance exhausts

These Focus ST performance exhausts are made in 3"/76

Tubular design to help reduce weight

Torque is improved by 20NM at 2400RPM with 15NM from 3000RPM to 3800RPM

*Please note - the filter is excluded from the Forge lifetime warranty*

Hi-Flow Sports Cat (SSXRN301)

AIRTEC Motorsport Header tank for Focus Mk4 ST Header Tank Cap:Standard Blue Cap These Focus ST performance exhaustsAs part of our expanding Ford Focus product range, AIRTEC Motorsport is proud to launch our header tank upgrade to suit Mk4 ST models. A direct replacement for the original plastic tank, the AIRTEC Motorsport header tank is made from lightweight aluminium and comes in a high quality powder coated black finish. It also features a sight glass to view the coolant level and comes with an uprated high pressure cap. The tank uses original fixing points,