(Parts Installation Help, Replacement, etc., ) The 3.5 to 2.5 silicone intake reducer is made from 4-ply silicone to withstand high boost and temperature applications. Find this silicone reducer... Description: High quality reinforced 4-layer silicone coupler, high temperature resistance, universal fit., Features: 1., All made of high performance 4-layer reinforced silicone coupler., 2., Reducer from 2., 5 to 2., 7, length 3., 3., Perfect for all exhaust systems or industrial technology, such as commercial trucks and buses, marine, turbocharger pipes or intercooler pipes, and radiator cooling systems, replacement, etc., 4., High quality., 5., Professional installation is a highly recommended modification. Snapklik.co : OHOB-COOL1.5 To 2 Inch Reducer Silionce Coupler Turbo Intake Hose Straight Coupler 3" To 2.5" Intake/Intercooler 3-Ply Silicone Hose Reducer Black 2.5 To 2.7 Inch Intercooler Hose Application Universal intake couplers are widely used in exhaust systems or industrial technologies, such as trucks, marine, turbocharger or intercooler pipes, and DIY radiator cooling or intake systems. ID 2.5" to 2.75" Silicone Reducer Coupler Hose, 3" Length Universal 4-Ply Reinforced Straight Turbo Intake Intercooler Hose Pipe Silicone Coupler Black TEMPERATURE/PRESSURE RESISTANCE The working temperature of the silicone flow reducer is -60~350 degrees, and the burst pressure is 140 PSI. Size The size of the silicone tube is 64mm to 70mm., Length: 76 mm.