Trident Marine Blue Silicone Wet Exhaust Hump w/4 T-Bolt Clamps - 8" ID x 8" Length [272V8000-S/S]Blue Silicone Wet Exhaust Hump with 4 T Bolt Clamps 8" ID x 8" Length Trident Silicone 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. Construction: Tube & Cover: VHT blue silicone Color: Blue Reinforcement: Polyester reinforcement Temperature Range: 350F (177C)