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Buell Forum » 1125R Superbike Board » Archive through May 19, 2021 » Unidentified Exhaust « Previous Next »

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Bl76
Posted on Sunday, September 13, 2020 - 09:18 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

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.

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Xbuell12s
Posted on Sunday, September 13, 2020 - 09:25 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

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:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Dean Adams RT4
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Evelle
Posted on Sunday, September 13, 2020 - 10:47 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yep, RT-4 it is. Congrats. Get with IDS (Intelligent Design Solutions)out of Decatur Indiana for an ECU programmed for it.

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Bl76
Posted on Monday, September 14, 2020 - 07:07 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hadn't seen that one, thanks guys.
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D_adams
Posted on Monday, September 14, 2020 - 07:12 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

There's a few of them out there similar to it.

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D_adams
Posted on Monday, September 14, 2020 - 07:14 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

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Kusib
Posted on Wednesday, September 16, 2020 - 08:51 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

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:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

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:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

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:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

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:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Similar theme here.

1125 max torque output.





1125 max horsepower output.



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Bl76
Posted on Friday, September 18, 2020 - 09:32 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

It's definitely quite loud. If your earplugs aren't good enough it will beat on your ears
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