Through Hull Exhaust
Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Boat Maintenance
Forum Discription: Discuss maintenance of your Correct Craft
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=22676
Printed Date: November-19-2024 at 6:03pm
Topic: Through Hull Exhaust
Posted By: RE Reeves
Subject: Through Hull Exhaust
Date Posted: July-18-2011 at 4:09pm
This is my first time to the forum, so i apologize for my ignorance.
I have an '89 CC Martinique, PCM 351 W/ Velvet Drive.
I would like to replace my single exhaust tube with twin tubes above the water line for a more "throaty" sound?
Is there a conversion kit available?
Thank you
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Replies:
Posted By: Ed
Date Posted: August-11-2011 at 5:05am
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Thats a lot of work! My exhaust comes out of the water on plain, I'm not so sure you realize how loud that will make that boat!!! There is no convertion that I know of, that would be a custom job.
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Posted By: 8122pbrainard
Date Posted: August-11-2011 at 8:28am
You do not want to do it!! The high point at transom will create a big toilet trap and with all that water will develope too much back pressure on the engine. The high exhaust you see on some boats like a Donzi, are V drives or out drives so their exhaust doesn't drop low under the floor.
Ed is correct that on plane, the exhaust is out of the water anyway. If you want it louder, remove the muffler and replace it with a "Y" pipe. There are several threads on doing it.
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Keep it original, Pete
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Posted By: RE Reeves
Date Posted: August-11-2011 at 12:45pm
Thank you. I plan to keep the existing single tube below the water line and replace the muffler with a "Y" connection.
Thanks again for your help.
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Posted By: Bri892001
Date Posted: August-11-2011 at 1:08pm
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Some guys have replaced some of the straight runs of rubber exhaust tubing with stainless steel pipes for a little more sound too. Although, most of the boats have been OEM (below the water) dual exhausts. There are threads on that as well though.
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