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-   General Boating Discussion (https://www.offshoreonly.com/forums/general-boating-discussion-51/)
-   -   who makes clamp on mufflers for 5" dry tails? (https://www.offshoreonly.com/forums/general-boating-discussion/127976-who-makes-clamp-mufflers-5-dry-tails.html)

Brad Zastrow 04-20-2006 10:50 AM
Re: who makes clamp on mufflers for 5" dry tails?
 
Assuming the 5" dry exhaust is on a 1000+ hp engine. A lot of the mufflers I have looked at inlcuding those pictured choke the engine. 5" down to 3.5-4". Sort of defeats the whole system.

ratman 04-20-2006 11:18 AM
Re: who makes clamp on mufflers for 5" dry tails?
 
I have looked at inlcuding those pictured choke the engine. 5" down to 3.5-4". Sort of defeats the whole system.
zackly

ratman 04-20-2006 11:20 AM
Re: who makes clamp on mufflers for 5" dry tails?
 
If by dry you mean the CMI thruhull tails with the water slots on the end of the tailpipe, we have a muffler that will work. We do a race tail with internal water half couplings and a thru hull water dump for some applications.
dry as in the water exits via thru hull transum dump. dont want any reversion issues EVER.

375stinger 04-20-2006 05:46 PM
Re: who makes clamp on mufflers for 5" dry tails?
 
were runnin triple 960hp bbc with stainless marine gen III w. 5in pipes on the revo we have been restoring, and ggbs were the only we could find, but instead of restricting the engine we decided to have stainless marine make flared turn downs for the 2 rear engines that run exhaust into the water, but once planned off, are no longer in water, and the center engine we had to run out the sides so we couldnt use mufflers or turn downs, so we just plan on not runnin the center untill away from public :drink:

Phantom1 04-20-2006 07:37 PM
Re: who makes clamp on mufflers for 5" dry tails?
 
1 Attachment(s)
Originally Posted by jrz
The pictured rubber flap will not last a minute at WOT on a truly "dry" exhaust.
As I said, I don't have pictures of them installed. I removed the rubber flappers before installation. I run a truly dry system with exhaust water dump over the drive. Of course, I'm only running a 540, with much less than 1,000 hp. :D

The GGB's work well for my application.


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