Quicksilver – Dry Joint Exhaust Manifold | MerCruiser V6 Series | Coated Cast Iron | 864612T01Quicksilver Dry Joint Exhaust Manifold MerCruiser V6 Series Coated Cast Iron 864612T01 Overview Theres a special kind of confidence that comes from hearing your MerCruiser V6 settle into a smooth, even idle. Its the sound of everything working together exhaust, cooling, fuel, timing all balanced and steady. When a manifold ages, you can feel that balance start to slip. A new, properly fitted exhaust manifold brings it right back. This Mercury Marine