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Quieter RT1's

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Old 03-04-2012, 03:18 PM
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Quieter RT1's

I like the round RT1's on this Hawk; I like the look and the sound except the sound is a little too loud and there's no back pressure or reversion so I'd like to fashion inserts that will address those 2 issues. Question is how to go about it without mangling the look and intergrity of the cans. Got an idea that you've used or contemplated? Mine aren't too loud at 60, 70 mph but are at 30, 40. What do ya think?

Last edited by zxbud; 03-04-2012 at 06:28 PM.
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Old 03-04-2012, 05:45 PM
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Uh, just curious, what are RT1"s, and what the heck does that 2nd last sentence say?
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Old 03-04-2012, 06:35 PM
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Jardine RT1 Mufflers Don't Muffle

Originally Posted by smokinjoe73
Uh, just curious, what are RT1"s, and what the heck does that 2nd last sentence say?
These Jardine mufflers here are too loud. I want them quieter via inserts which I make in the shop and I want construction suggestions from you all. Is this at all clear?

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Old 03-04-2012, 06:43 PM
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This would make it quieter:
Attached Thumbnails Quieter RT1's-banana1.jpg  
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Old 03-04-2012, 07:02 PM
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I know if you look around on google and ebay you'll see plenty of small baffles for different mufflers. They're sometimes called db or decibel killers. A quick search immediately had me on another bike forum where someone was trying to accomplish the same thing. I imagine it would just be a matter of getting the measurements correct, and maybe drilling a small hole in the bottom of the outlet for a small screw to hold it in. Some exhausts like Leovince come with them. Obviously your Jardines do not, nor do the old Erions which were basically identical. Again I can't imagine it'd be too hard to find some sort of baffle you could simply fit inside the outlet and into the Jardine baffle and screw it in and it would help you out somewhat. I do know when I bought an old Vulcan with drag pipes on it it was annoyingly loud, and a very small baffle put into each pipe made a very noticeable difference in the volume and sound.

Last edited by captainchaos; 03-04-2012 at 07:14 PM.
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Old 03-04-2012, 07:22 PM
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Earplugs?
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Old 03-04-2012, 07:41 PM
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Believe it or not an old track trick incase pipes were to loud to get on the track was to put safety wire through the tip, I think it was 2db per piece. I'm not suggesting that just trying to show it doesn't take much to lower it's level.
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Old 03-04-2012, 08:41 PM
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I'm glad you fixed that. I was trying to figure out what "wattsup" wire was, lol. Do you mean to say drill two holes in the end of the muffler, 180 degrees apart, and string a strand of safety wire across?
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Old 03-05-2012, 05:58 AM
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Yeah not sure how this stupid spell correct managed that one, smart phones aren't always so smart! That's the basic concept, you can drill or most would just clamp it but just shows it doesn't take much. Another friend welded a washer to the inside of his tip.
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Old 03-07-2012, 06:42 PM
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Jardine RT-1 Baffles

Originally Posted by captainchaos
I know if you look around on google and ebay you'll see plenty of small baffles for different mufflers. They're sometimes called db or decibel killers. A quick search immediately had me .
Thanks Capn'. Here's what I ordered and if they work out I'll post the success and um if they don't well I won't say much about it. Looks like they will- and at $19 delivered it might be cheaper than I could make them.

2" Motorcycle Exhaust BAFFLES Sportster Softail Shovel | eBay
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Old 03-07-2012, 06:52 PM
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I was thinking more along the lines of something like this as it's the right shape to fit your muffler with it's downturned outlet. What you have are probably more for a pair of straight drag pipes.
Attached Thumbnails Quieter RT1's-db2.jpg  
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Old 03-07-2012, 07:54 PM
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Capn'

Originally Posted by captainchaos
I was thinking more along the lines of something like this as it's the right shape to fit your muffler with it's downturned outlet. What you have are probably more for a pair of straight drag pipes.
I missed these and looks like they would be better with the angled inserts but
I'll probably have to notch and bend harley ones down to fit and take it from there. Thanks
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Old 05-08-2012, 11:40 PM
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Call Jardine in Corona Ca, (800)347-8664 They are very helpfull......
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