Quite down my exhaust...
#21
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#22
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Talk to Graham about sizing for your app. He's great to deal with and can make you anything you need. I've done some dyno testing with them and think BobL on here has as well. They're excellent all around.
#23
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Gibson clamp-ons if you really need to quiet it down. Don't get the inserts, you need the big clamp on ones. I have a pair but never use them because I love the sound of the unmuffled 525.
These: http://www.gibsonmarine.com/bullet1.html They work very well and do not rob power.
These: http://www.gibsonmarine.com/bullet1.html They work very well and do not rob power.
Last edited by thirdchildhood; 09-04-2011 at 11:41 AM.
#24
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I dont care what anyone says, nothing is as quiet at idle as Gibson Turn Downs (or any turn downs really), other than captains call. The exhaust is 8" or more underwater at idle, and fully open once on plane, so there is no restriction and zero power loss.
I took mine off because it was TOO quiet at idle for my tastes.
I took mine off because it was TOO quiet at idle for my tastes.
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Totally dry, probably not. They do have a rubber seal in them that might burn up with totally dry. I also have dry pipes but bored a 1/4" hole in the inner sleeve towards the end of the pipe. This let's just enough water into the pipe to keep the seal cool. You can see how little water in the video below. The majority of the water still goes out the dedicated dumps!
http://www.youtube.com/watch?v=DiFKbLrRfjs
#27
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Totally dry, probably not. They do have a rubber seal in them that might burn up with totally dry. I also have dry pipes but bored a 1/4" hole in the inner sleeve towards the end of the pipe. This let's just enough water into the pipe to keep the seal cool. You can see how little water in the video below. The majority of the water still goes out the dedicated dumps!
http://www.youtube.com/watch?v=DiFKbLrRfjs
http://www.youtube.com/watch?v=DiFKbLrRfjs