VEHICLE COMPATIBILITY: Straight Coupler Silicone Hose is suitable for most cars, trucks, boats, turbochargers, intercooler piping, as well as DIY intake or radiator cooling systems. PERFORMANCE: Coupler Silicone Hose Tube is widely used in exhaust systems or industrial applications, such as trucks, boats, turbochargers, intercooler piping, as well as DIY intake or radiator cooling systems. The silicone connector hose is made of 4 layers of good quality polyester reinforcement and pure silicone material, providing good performance, high temperature resistance, and long lifespan. INSTALLATION: INSTALLATION GUIDE: 1.Ensure that the hose and the fittings are clean and free from any debris. 2.Lubricate the inside of the hose and the outside of the fittings with a silicone lubricant to facilitate installation. 3.Slide one end of the hose onto the fitting, making sure it fits snugly. NOTICE: Due to manual measurement, the size deviation is about 1-3 mm. PACKAGE INCLUDED: 1 Pcs Straight Coupler Silicone Hose.