The SD Hoses Silicone Boost pipe kit(part no. SD23) has been designed to replace the standard restrictive OEM plastic hoses on the Ford Fiesta MK7.5 1.6 ST180 Ecoboost.The hose is constructed to provide a constant radius reducing restriction in the initial stage of the intake tract.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 Fiesta ST180 range.