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  1. Graymarine 4 and 6 cylinder in-line models (1)
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"I found them on the web and used the on line system to order. They confirmed by phone and it arrived the next day. Whaddayaknow…someone does what they advertise. Best on the web."

– Buddy Chesterland - Meterie, LA

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Mr. Cool Marine carries a complete line of marine exhaust products. Select your engine application below:

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