Trident Marine 2-1/2" ID 45 Blue Silicone Molded Wet Exhaust Elbow w/4 T-Bolt Clamps [242V2120-S/S]2 1 2" ID 45 Blue Silicone Molded Wet Exhaust Elbow with 4 T Bolt Clamps Silicone & Rubber Elbows and Hump Hose Bellows provide the ultimate flexible connectors for Marine Wet Exhaust Systems. They offer much greater tolerance to heat, misalignment, engine movement, and vibration, with significant savings in cost, parts, labor, and space. Highest max. continuous operating temps. Features: Blue Very High Temps: Silicone 350F (177C) Specifications: 2 1