Made of durable material, and have a long service time！ 1K0145832E For VW for Jetta for Passat GTI MK5 Turbo Charger Intercooler Hose Radiator Tube It lowers the supercharged air temperature, reduces the thermal load of the engine,and improves the engine output power; The Turbo hose responsible for transporting air to the inside of the engine to mix with fuel and burn it to improve engine efficiency; Easy to install, suitable for driving, and convenient to use！, Manufacturer: YBFYTUSE