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exhaust question - Y pipes

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Old 08-08-2009, 09:26 AM
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Default exhaust question - Y pipes

Hey everyone, I noticed that years ago everyone was using a Y-style exhaust pipe on their offshore powerboats and now most are not. What are the pro's and con's to this type of exhaust. I prefer the sound of the Y - Pipe. Thanks
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Old 08-08-2009, 09:40 AM
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Hey everyone, I noticed that years ago everyone was using a Y-style exhaust pipe on their offshore powerboats and now most are not. What are the pro's and con's to this type of exhaust. I prefer the sound of the Y - Pipe. Thanks
Dr. Gary
I have a set of Stainless Marine Y pipes sitting in my shop.
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Old 01-20-2014, 02:05 PM
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Looking at the possibility of using a custom set, not merc style -- these would be for a high hp application, straight out the back -- dry. Is there a reason to stay away from this layout?
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Old 01-20-2014, 05:45 PM
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Originally Posted by DrGaryDC View Post
Hey everyone, I noticed that years ago everyone was using a Y-style exhaust pipe on their offshore powerboats and now most are not. What are the pro's and con's to this type of exhaust. I prefer the sound of the Y - Pipe. Thanks
Dr. Gary
I think that is an excellent question, I too would like to know. I was once told that the Y-Pipes were effective in the SBC (small blocks), that ran at 7000+ rpms, and hence helped to make the optimum in horsepower in that application, I am not sure why that would be but someone once told me that. Dry pipes straight out of the back of the boat would seem a no brainer to me to make optimum horsepower. Maybe once of engine guys can give us a data/tested real world answer to this question.

Great question. I just like the look of the Y tailpipe myself.
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Old 04-21-2014, 03:54 PM
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