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post #1 of 9 (permalink) Old 06-14-2006, 10:20 AM Thread Starter
Powerbike
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I see New Bonneville carrying a new D&D 2 into 1 exhaust system. Oviously it will weigh less than the stock or any 2 into 2 setup, but I am curious to see some performance numbers. Anybody have one yet? Anybody got dyno numbers yet?

Inquiring minds have got to know! this is one performance upgrade I am seriously curious about!

Doc
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post #2 of 9 (permalink) Old 06-14-2006, 11:06 AM
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I would definitely be interested in this mod. Will research this.

"Simplicity is more"
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post #3 of 9 (permalink) Old 06-14-2006, 11:15 AM
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Downside: You have to drop the exhaust system to change the oil...It's in the way.

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post #4 of 9 (permalink) Old 06-14-2006, 11:23 AM Thread Starter
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Is that speculation or do you know that for a fact?

Small issue considering how often you have to change oil. For 10 pounds in weight savings, and what should be better performance a small inconvenience at oil change time I think I could live with it.

Doc
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post #5 of 9 (permalink) Old 06-14-2006, 11:27 AM
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I checked Newbonneville.com and cannot find this exhaust. Where did you see this 2-1 exhaust?
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post #6 of 9 (permalink) Old 06-14-2006, 11:28 AM Thread Starter
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look under newthruxton.com

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post #7 of 9 (permalink) Old 06-14-2006, 11:46 AM
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Personally, I like the looks of the current exhaust set up. One pipe on each. Sort of balances out the bike. And for the 10 pound weight savings and a "little" better performance I think you'd be way better off spending that extra $ getting the heads worked on.
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post #8 of 9 (permalink) Old 06-14-2006, 12:01 PM Thread Starter
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I woudl not pay 1K for the head mods as done by the shops as advertised.... I am a firm believer in smaller ports and higher velocity. Hogging out ports can be done by any knucklehead with a die grinder, and flow benches are not engines.....

Small performance gains....like 5hp are worth more than you think. the pipes and silencer are cheaper than a pair of silencers together, and I am bettign that a 2 into 1 will net me mroe gain than a pair of silencers will. If the system is designed right it should net more total gain that that pair of Staintunes, or D&Ds......
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post #9 of 9 (permalink) Old 06-14-2006, 01:24 PM Thread Starter
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popped off an email to them, and they are saying they shoudl have dyno results back in a week or so. I will be interested in seeing how well these perform over the 2 into 2 setups....

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