AIRTEC Motorsport 2.5-inch Big Boost Pipe Kit for Mk3 Focus ST250

AIRTEC big boost pipe kit for the Mk3 Focus ST.

2.5″ big boost pipe kit, a must have for high powered MK3 Focus STs.

Pipework only available in Pro-Series Black 

From £401.11 (inc VAT)
£334.26 (exc VAT)

Technical Data

The 2.5″ big boost pipe kit is a must for all remapped STs, Everything you need is included in the kit.


Will fit With the following intercoolers:

  • Pace
  • Pro-Alloy
  • Forge
  • Ford OEM

Direct replacement! No modification needed.

2.5″ hard pipe upgrade removes Ford’s 2.0″ restrictive boost pipes.
This kit is designed for remapped and BIG power Focus STs.

All pipes have swaged ends to stop the pipes blowing off on higher power cars.

Fitting takes 1 – 2 hours.

Pipework only available in Pro-Series Black

Hose colour shown for illustration purposes only

AIRTEC part no: ATMSFO74

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