Ford Focus MK3 ST Diesel Boost Hose Kit
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The SD Hoses Silicone Boost hoses (part no. SD) has been designed to replace the standard restrictive OEM hoses on the Focus ST Diesel.
The hose is constructed to provide a constant radius reducing restriction throughout the whole piping.
The hose is made from high-quality 6 layer mutli-ply silicone. It is available in Black, Red, White or Blue to compliment the signature colours of the Focus ST range.