Rxmotor Straight 180 Degree Reducer Coupler Silicone Hose High Quality (3.5" to 4") FITMENT: Universal (Please Take Proper Measurement To Ensure This Item Will Fit The location You Are Installing It On) Triple reinforced silicone able to withstand high heat and pressure. Reduce the chance of charge pipe blow out by reducing movement. Will reduce vibration transfer due to hard impact shifting or engine movements. Ideal for high vibration engines where brackets and intercooler brackets may be broken. Able to withstand 50+psi with no problem. It can be use on: Turbocharger/Supercharger/Intake/Intercooler