Focus ST Mk2 Stainless 2.5 inch Big Boost Pipe Upgrade Wheel Spacers Then we looked @ flow

Then we looked @ flow

The compression adjustment takes place at the lower end of the shock absorber by our patented multi-purpose valve

Complete with full stainless steel chunky jubilee clips

Washable and reusable

Run 2 Intake temp turbo into intercooler 131 out of intercooler into engine 92

Focus ST Mk2 Stainless 2.5 inch Big Boost Pipe Upgrade Wheel Spacers Then we looked @ flowWill only Fit with RS Spec Intercooler due to the 2. 5 inch pipes will not fit the 2" ST Intercooler pipes. The reason behind upgrading to 2. 5" Boost pipe kit is to remove restrictions caused by the 2" Intercooler pipes & 2" Intercooler outlets found on all ST Intercoolers standard or Aftermarket' Please don't waste money on so called Big Boost pipe kit for your ST which have to downgrade to 2" it makes no sense and will not give you any real gains.