Note that the hose is designed for 70mm turbo connection. This means that it is very little space to install this hose for cars with OEM turbo with 60mm connection. The hose is very tight against the wastegate bracket. A small piece of the hose needs to be cut out to make clearence for the Wastegate screw boss, otherwise the hose will not fit good. But it is possible to mount (not for the amateur)! The hose is reinforced with steel wire so it won’t collapse during high vacuum.This hose kit is available in three different colors Blue / Black / Red. There are no performance difference between the different colors, choose which color you think will be best for your car.