Focus Mk2 RS Airtec Motorsport 70mm Cold Side Boost PipeFocus Mk2 RS Airtec Motorsport 70mm Cold Side Boost Pipe This hose will fit either a standard throttle body or an aftermarket uprated 70mm throttle body, expanding up to 70mm though the rest of the hose to then connect to most brands of intercooler with 63mm outlet including the standard OEM intercooler. Please select the option below for the size you require. (Standard Throttle Body size is 63mm) Please Note: This is a Symposer Delete Item Most