H.K. Sainsbury Multi-Flow In-Line Wet Exhaust Muffler for MerCruiser 7.4L 454 / Wellcraft 3200 3400 - Used

Application: In-line wet exhaust muffler / multi-flow silencer by H.K. Sainsbury & Co., commonly fitted to MerCruiser 7.4L (454) gas inboards in Wellcraft St Tropez / Gran Sport 3200 and 3400 and similar sportboat exhaust systems. Molded composite construction with side mounting flanges and clearly marked INLET / OUTLET ports. Condition: Used take-off. Body intact with normal heat discoloration and light scuffing; no cracks or through-holes noted on inspection. Not pressure tested. Will be drained and ports capped prior to shipping. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.