Ford Focus MK3 RS Coolant Hose Kit P3 their slower response speed and

their slower response speed and lower flow do not justify the extra cost and complexity - more of a compromise than a solution

Please note: This is recommended for Motorsport use only and is not intended for road use

its up to you

Full instructions are included

It offers greater sound from the engine

Ford Focus MK3 RS Coolant Hose Kit P3 their slower response speed andThe SD Hoses Silicone Coolant hoses (part no. SD35) has been designed to replace the standard restrictive OEM hoses on the Focus MK3 RS. The hose is constructed to provide a constant radius reducing restriction throughout the whole piping. The hose is made from high quality 3 layer mutli ply silicone. It is available in Black, Red, White, Grey or Nitrous Blue to compliment the signature colours of the Focus RS range.