3.5" to 2.25" Silicone Reducer

Joining your intake pipe to the throttle body assembly, air metering assembly, intercooler, BOV pipe, or turbo inlet/outlet. Custom compressor, intercooler or inlet piping for turbo/supercharged car Custom cold air intake for nonturbo car Replacement of all factory rubber parts Genuine 4-ply Silicone (5 silicone layers plus 4 reinforcement layers = 9 total layers!) Installer can cut silicone parts down to fit with a razor Heat tolerance: -40° to 392° Fahrenheit Burst Pressure: 200 PSI Working Pressure: 50 PSI Wall Size: 4 mm – 5 mm Compatible with antifreeze/coolant These silicone parts can be used in trucks, recreational vehicles, boats, or anything else with an engine.