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Bl76
| Posted on Sunday, September 13, 2020 - 09:18 pm: |
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Can anyone identify this thing? I don't see any markings on it. The ECM has a tag that says Barker on it, but doesn't look like a Barker exhaust.
![](http://www.badweatherbikers.com/buell/messages/290431/874394.jpg)
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Xbuell12s
| Posted on Sunday, September 13, 2020 - 09:25 pm: |
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Looks like a Dean Adams RT-4. http://deanadamsdesigns.com/cart.php?target=produc t&product_id=30 |
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Froggy
| Posted on Sunday, September 13, 2020 - 09:28 pm: |
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Dean Adams RT4 |
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Evelle
| Posted on Sunday, September 13, 2020 - 10:47 pm: |
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Yep, RT-4 it is. Congrats. Get with IDS (Intelligent Design Solutions)out of Decatur Indiana for an ECU programmed for it.
![](http://www.badweatherbikers.com/buell/messages/290431/874403.jpg)
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Bl76
| Posted on Monday, September 14, 2020 - 07:07 pm: |
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Hadn't seen that one, thanks guys. |
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D_adams
| Posted on Monday, September 14, 2020 - 07:12 pm: |
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There's a few of them out there similar to it.
![](https://scontent-ort2-2.xx.fbcdn.net/v/t1.0-9/s960x960/109292554_3455832234427950_7194533426307460352_o.jpg?_nc_cat=108&_nc_sid=8024bb&_nc_ohc=ip80N3rWk5kAX_DbG72&_nc_oc=AQn_zbiBRe_4ZGkG8dexvkL52dFpkYEB_2rRsHuc8oMJHJAzOJ2-pG80vK5wbFVO-Js&_nc_ht=scontent-ort2-2.xx&tp=7&oh=80fbcdeceefe4a8130d19b2417a4fed8&oe=5F854D24) |
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D_adams
| Posted on Monday, September 14, 2020 - 07:14 pm: |
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![](https://scontent-ort2-2.xx.fbcdn.net/v/t1.0-9/s960x960/90634412_3155586537785856_8246250900952186880_o.jpg?_nc_cat=105&_nc_sid=8024bb&_nc_ohc=BMI6-iUBW1QAX-MuNgN&_nc_ht=scontent-ort2-2.xx&tp=7&oh=e4d70b1b39434022b389208a82eeb61c&oe=5F86D2CB) |
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Kusib
| Posted on Wednesday, September 16, 2020 - 08:51 am: |
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I am interested in the RT4 but have heard it is REALLLYYY Loud. How true is that compared to other systems? I had a Saro/Beson on my last 1125R and unfortunately sold the bike 5 years ago. I am now waiting on my new to me 09 to arrive. Any feedback would be awesome. |
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Evelle
| Posted on Wednesday, September 16, 2020 - 11:33 am: |
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Get some good hearing protection, it sounds badass and tons of torque. |
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Coastrambler
| Posted on Thursday, September 17, 2020 - 01:40 am: |
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Found the graph of Horsepower v RPM with the various mufflers very informative. Is there one plotting torque v RPM? |
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Terrys1980
| Posted on Thursday, September 17, 2020 - 07:38 am: |
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1125 Exhaust Test Documents are here -> https://drive.google.com/file/d/1Jj-00HT0szRpIbk7E hC1Tx3g91vM0Gp6/view?usp=sharinghttps://drive.google.com/file/d/1Jj-00HT0szRpIbk7E hC1Tx3g91vM0Gp6/view?usp=sharing |
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D_adams
| Posted on Thursday, September 17, 2020 - 05:30 pm: |
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Similar theme here. 1125 max torque output.
![](http://www.badweatherbikers.com/buell/messages/290431/874547.png) 1125 max horsepower output.
![](http://www.badweatherbikers.com/buell/messages/290431/874548.png)
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Bl76
| Posted on Friday, September 18, 2020 - 09:32 am: |
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It's definitely quite loud. If your earplugs aren't good enough it will beat on your ears |