D&D 2-1 Race Exhaust System ?'s - Page 2 - Triumph Forum: Triumph Rat Motorcycle Forums

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post #11 of 35 (permalink) Old 12-26-2012, 01:14 PM
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Quote:
Originally Posted by Whitehurst View Post
It's is absolutely true, a d&d does not make anymore power than lets say a bub or thunderbike. There is no super duper secret to letting more air out just the sound that you want once you get into the upper end exhaust systems.
Our machines are new, finely tuned they will run great as long as they have some back pressure. Old bikes that's a whole different matter but that's not the subject at hand. Your d&d's Arnt going to make your bike noticeably faster than lets say my thunders if you tune your machine correctly for each set up...If you think any different you live in a dream world.


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thats bs testing shows you are wrong you are in a dream world thats why you will never have a fast twin.You should not post about things you know nothing about

Why do I feel young on my bike
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post #12 of 35 (permalink) Old 12-26-2012, 01:30 PM
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"It's is absolutely true, a d&d does not make anymore power than lets say a bub or thunderbike. "

=================

I absolutely disagree with this statement. You essentially are saying that the pipe design has little or nothing to do with the power potential of the exhaust in question. Primary pipe diameters and lengths have everything to do with where the power peak will happen for a given exhaust setup...to think otherwise is, well, wrong.

I had a thunderbike header and, unless you modify the baffle system, it is a cork when compared to a D&D. Good luck selling that pipe for 500 bones...mine was a chore to unload for the $200 it's worth.

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post #13 of 35 (permalink) Old 12-26-2012, 02:38 PM
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Hahahahaha lmao


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post #14 of 35 (permalink) Old 12-26-2012, 02:42 PM
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Key word was noticeably different, yes different sizes will create different peaks but does not mean it will make your bike faster unless accompanied with better carbs etc... Etc....


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post #15 of 35 (permalink) Old 12-26-2012, 07:09 PM
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Alot of testing was done on many pipes by me and some friends of mine over the years in all truth the arrow wont hang with any of the top systems out there.Preds or domi pipes make more power then the arrow and the 2into1 makes more hp then them.I have seen gains of as much as 10 hp with the d&d 2into1s on the bigger motors.There tt race pipes allso make good power but are way to low to the ground.The only down side to the d&d 2into1 is they dont sound as good as some of the other pipes.I run the new 2into2 full system on my bike now they look and sound much better but the 2into1 makes about 5 more hp then the full system 2into2 on my 1087.
What makes the d&d race pipes work is bigger header and better bends that flow way better.The highest hp dyno run so far on these motors with out a turbo was done with the d&d 2into1.
Hi mike
Thanks for your reply, do the d&d 2into 1 come in brushed stainless
Finish,i am not a keen fan of the black finish.
Why would ya give up 5 hp with the 2 into2 ?
Purely for sound and that ya make enough hp already?
Cheers
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post #16 of 35 (permalink) Old 12-26-2012, 07:19 PM
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they only come in black there not made to be pretty there race pipes.
as far as every day rideing 5 hp dont hurt mine much still puts over 100 hp on the rear wheel

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post #17 of 35 (permalink) Old 12-26-2012, 07:28 PM
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[QUOTE=mikeinva;2459054]they only come in black there not made to be pretty there race pipes.
as far as every day rideing 5 hp dont hurt mine much still puts over 100 hp on the rear wheel[/QUOTE

Thanks mike
I might have to look past the visual aspect,I'll take the extra hp and are
Much louder than preds?
Cheers
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post #18 of 35 (permalink) Old 12-26-2012, 08:56 PM
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[quote=ThruxOZ;2459064]
Quote:
Originally Posted by mikeinva View Post
they only come in black there not made to be pretty there race pipes.
as far as every day rideing 5 hp dont hurt mine much still puts over 100 hp on the rear wheel[/QUOTE

Thanks mike
I might have to look past the visual aspect,I'll take the extra hp and are
Much louder than preds?
Cheers
not really but different sound preds sound better.They have kinda a 2 stroke sound to them that turns into a scream around 5000 rpms

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post #19 of 35 (permalink) Old 12-27-2012, 01:36 AM
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[quote=mikeinva;2459126]
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Originally Posted by ThruxOZ View Post
not really but different sound preds sound better.They have kinda a 2 stroke sound to them that turns into a scream around 5000 rpms
Cheers mike
I have another question what about ground clearance cornering,I have lowered the front of my bike by about 18mm due to fitting a 17 " front
wheel. I don"t scrape the Exhuast at the moment but LSL foot pegs come very close.
I may kinder hoping with pipes running under centre off bike it shouldn't be an issue.
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post #20 of 35 (permalink) Old 12-27-2012, 10:28 AM
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I dont think cornering will be any trouble the low part of the system is near the center of the bike.But they might hit on speed bumps mine did now and then .D&D made these pipes for the cup guys.I dont know how low they will be on your bike the part that is low to the ground will be about where the set starts in the front where the 2 headers go into 1 bigger pipe

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