top of page


Full 70mm coldside hose for the Focus RS MK2!
This boost pipe starts with a 63mm outlet so that it will connect to most brands of intercooler including the standard OEM intercooler. It then expands up to 70mm for the rest of the hose until the throttle body where it can either be supplied with a 63mm hose to fit the standard throttle body or with a 70mm hose to fit an aftermarket uprated throttle body. Please select the option that suits your car.
Please Note: This is a Symposer Delete Item
Most uprated boost hoses are 2.5 inch (63mm) and the standard ford pipework is 2″ (60mm). This boost hose is 70mm allowing faster more free flowing air.

Will fit With the following Intercoolers:

  • AIRTEC Stage 1 & Stage2
  • Pace
  • Pro-Alloy
  • Forge
  • Mountune
  • Ford OEM

Direct replacement! no modding required.

 Fitting takes 0.5 to 1 hours.
AIRTEC part no: ATMSFO33

AIRTEC Motorsport 70mm Cold Side Boost Pipe for Mk2 Focus RS

    bottom of page