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 ST’s.

Please Note: Pipework only available in silver.

AIRTEC part no: ATMSFO74

From £330.00 (inc VAT)
£275.00 (exc VAT)

Technical Data

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


  • Hot side (turbo to intercooler) is made from 2.5″ lightweight alloy and connected with Pro Hoses 5 ply silicone hose joiners.

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 and is ‘bolt on power’.
This kit is designed for remapped and BIG BHP Focus ST’s.

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

Fitting takes 1 – 2 hours.

Pipework only available in silver.

Hose colour shown for illustraion purposes only

AIRTEC part no: ATMSFO74

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