If you are running more boost than your stock hose can handle. This turbo inlet boost hose kit is made of thick silicone rubber and is reinforced with nylon cording to provide a more stable hose. Handle all of the boost that you can push through.Because they are engineered so well, you won't experience the hose bulge found in stock or inferior replacement hoses. Smooth interior keeps all that boost flowing freely without turbulence.A must have to keep hoses from collapsing under heavy boost or sudden vacuum. Perfect solution for chipped applications.