Ford Focus MK3 ST Diesel Intake Hose Kit Colour:Red This is a polyurethane insert

This is a polyurethane insert that fits into and fills the voids in OE bush number: G1FY-4B425-AA

Directly replaces the air filter in your airbox

Scaled camber adjustment (optionally also caster)

Sold as a pair

Slightly Deeper induction noise over Standard

Ford Focus MK3 ST Diesel Intake Hose Kit Colour:Red This is a polyurethane insertThe SD Hoses Silicone Intake hose (part no. SD31) has been designed to replace the standard restrictive OEM hose 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.