4 Ply Silicone Sleeve 3i n I.D. x 12in long

The 4 Ply Silicone Sleeve 3 in I.D. x 12 in long by VIBRANT PERFORMANCE is a premium tubing coupler designed for high-performance automotive cooling, vacuum, and fuel system applications. This straight silicone coupler connects hose runs, radiator outlets, intercoolers, and custom piping setups where durability and temperature resistance are essential.

Constructed from reinforced 4-ply silicone material, this coupler provides superior flexibility and sustained pressure ratings across a wide temperature range, making it suitable for coolant systems and vacuum applications. The 3-inch inner diameter accommodates standard performance tubing, while the 12-inch length allows for extended runs between components or flexibility in routing around engine bays.

This coupler is ideal for custom intake manifold builds, turbo piping, radiator hose upgrades, and intercooler plumbing on both street and competition vehicles. Its silicone construction resists oil, coolant, and fuel degradation far longer than standard rubber compounds, eliminating premature cracking and leaks. VIBRANT PERFORMANCE's engineering ensures consistent wall thickness and reinforcement for reliable sealing under boost and high-flow conditions.