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The Gibson Bullet marine clamp-on mufflers (pair) with 4.5‑in inlet and 11‑in overall length are built for large marine powerplants and were tested up to 1,200 HP with minimal or no power loss. Constructed from stainless steel with an OEM-style transom mount and straight-through design, they use water to reduce noise and have shown the ability to meet California J2005 sound ordinance limits while maintaining output.
Gibson Marine Bullet Muffler (Pair) - 4.5in Inlet/11in Length - Stainless
