The Torque Solution Turbo Inlet Hoses TS-POR-446 are high-quality silicone hoses designed to replace the stock rubber inlet hoses on select Porsche vehicles. These hoses are made from durable 4-ply silicone and feature reinforced inner walls to withstand high temperatures and pressure. They are designed to improve airflow and reduce turbulence, resulting in increased horsepower and torque. The hoses are also resistant to oil and fuel, making them a reliable upgrade for high-performance vehicles. These Turbo Inlet Hoses are a direct fit and come with all necessary hardware for installation.