Focus Mk3 RS SD Performance Boost Hose Kit
The SD Hoses Silicone Boost hoses has been designed to replace the standard restrictive OEM hoses on the Focus RS.
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 RS range.