2 into 1 exhaust
I am thinking of making a 2 into 1 exhaust then going under the rear seat with it, sort of similar to the cbrs. well what I need is the input from you. Any help will be greatly appreciated, any Ideas? Do I need the same length pipe from each head ecttttt? Heat shield? I dont know what effect 2-1 will have on torque HP ect....any tips or advice will be kindly appreciated.
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im beginning this as well..but im hacking the tail section, so my info wouldnt help ya much
hope all goes well for you and be sure to post pics i personally want a dual inlet muffler, and that will be i guess similar to 2-1?? im sure you've seen this, but in case you havent...here's how Nava did it its not a 2-1, but it might help you a bit http://web.tiscalinet.it/mario_nava/vtr1000r_e.html |
Equal length is not good. The phase difference because of the 90° V causes you all kinds of fits. You need to configure the head pipe lengths based on what RPM you want to have be the peak torque point. It's a lot of calculations and theory. Because of the bends you can't calculate everything exactly (well, you can but it's REALLY complicated) so you always have to dyno tune after fabrication. Don't be surprised if it takes a couple of tries to get it right.
With all of that said, I've been thinking about making a 2-1 for my bike too. I just can't seem to find the time with all of the other projects I've going! |
thanks for the info...2 inlet would be fine for me Im just in the figuring stage right now..
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I've always thought the easiest way to do it is to cut the head pipe right before it makes the back part of the x,(if you're using stock head pipe). That way you're not messing with the front pipe lengths at all and just the back where Honda didn't do such a good job of keeping even pressure back there anyway. Use a larger diameter of pipe in the back to make up for not having the other side, go around the swingarm on the riders right up and over the wheel. Just my .02
Oh and of course dyno it and probably rejet but it might not be too far off with the larger pipe in the back. |
excellent idea also
thanks man, that is definitely another option and once my subframe and seat are hacked down, options are GOOD |
I was going to do it and then I found an aftermarket pipe REALLY cheap and now it's not as easy and I have to re-think the whole thing! :evil:
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yeah, i keep going back and forthe between using the jardines or finding something bigger and oval fit under seat a little flatter
i still dont know but my new subframe is in the garage, and the bike is in about 10 pieces, so we'll see soon |
stupid thought but how hard would it be to modify a rc51 hindle 2 into 1 to fit our bikes? I'd think the headers would fit relatively well and only issues might be toward the back. be easier then what a lot of you guys are thinking about unless it's just way way off... It is a high mount though so not undertail... Just a thought
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I saw a build that one of the guys did on the Brit site where he came up just like the stockers but with both pipes and then went back through the subframe and out under the seat. It was really wild and a shitload of welding. I don't remember the URL but I will go look for it when I get a minute. I'm pretty sure each pipe went all the way to a box that fit under the tail subframe and exited approximately where the stock tail light is. The whole thing was fabricated from scratch but the guy had done a really admirable job.
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Trust me on this one:
http://www.vtr1000.de/forum/showthread.php?t=20397 a picture is worth a thousand words :mrgreen: |
BTW that wasn't the one that I was thinking of!!! I found this one too. At least, I remember being at this site. Has some interesting stuff.
http://www.zorstec.net/flash.htm Still looking for the other one! |
This has nothing to do with exhaust at all - well maybe a little
More from the Brits:
View previous topic :: View next topic Author Message rockape34 Joined: 14 Apr 2005 Posts: 40 Location: york Posted: Fri Jan 13, 2006 9:41 pm Post subject: Why are women more popular than bikes?????? -------------------------------------------------------------------------------- The inventor of the Harley-Davidson motorcycle, Arthur Davidson, died and went to heaven. At the gates, St. Peter told Arthur, Since you've been such a good man and your motorcycles have changed the world, your reward is, you can hang out with anyone you want in Heaven." Arthur thought about it for a minute and then said, "I want to hang out with God." St. Peter took Arthur to the Throne Room, and introduced him to God. God recognized Arthur and commented, "Okay, so you were the one who invented motorcycles, eh?!" Arthur said, " Ah, Yes sir, that's me..." God commented: "Well, what's the big deal in inventing something that's pretty unstable, makes noise and pollution, and can't run without a road?!" Arthur was apparently embarrassed, but finally spoke, "Excuse me sir, but aren't you the inventor of woman???" God said, "Ah, yes." "Well sir," said Arthur, "professional to professional, I think you have some major design flaws in your invention: 1. There's too much inconsistency in the front-end protrusion; 2. It chatters constantly at high speeds; 3. Most of the rear ends are too soft and wobble too much; 4. The intake is placed way too close to the exhaust; 5. And the maintenance costs are outrageous!!" "Hmmmm, you may have some good points there," replied God, "hold on." God went to his Celestial supercomputer, typed in a few words and waited for the results. The computer printed out a slip of paper and God read it. "Well, it may be true that my invention is flawed," God said to Arthur, "but according to these numbers, more men are riding my invention than yours..." :mrgreen: |
I give up! My eyes are bleeding! I'm getting a lot of dead linked pages off their site so I will try again later. I did a search for "exhaust fabrication" and got in about 6 pages. Saw several links that I thought was it but they were all dead.
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Thanks NU that was exactly what i was looking for. awsomes sites.
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The carbon fibre alone cost more than the bike is worth. ack! |
Actually, Mario's stuff is pretty reasonable. It's the shipping from Italy that kills ya'.
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little bit more bling that the law will allow.
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Originally Posted by nuhawk
(Post 33874)
Trust me on this one:
http://www.vtr1000.de/forum/showthread.php?t=20397 a picture is worth a thousand words :mrgreen: That bike is insane. I hate seeing stuff like that because just when I think I'm doing something cool I have to see stuff like that. HOWEVER after all that work WHY WOULD YOU PUT STOCK DUCATI MUFFLERS ON THERE??? (Are they that strict about noise regulations?) And why not turn them horizontal like God intended underseat mufflers. Man for a guy with a killer bike and killer skills the focal point of the whole thing is kinda weak... |
2 into 1 exhausts
I know this is an old thread but i have just come across it and thought you guys might want to see a couple of pics of a mate of mine he no longer has this bike but he certainly builds awseome vtrs hope you like the picshttp://img438.imageshack.us/img438/6...ears6nemz6.jpghttp://img106.imageshack.us/img106/4664/daz12dcfp1.jpg
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Thats a nice looking 'Storm! :-D
Originally Posted by Alan
(Post 36059)
I know this is an old thread but i have just come across it and thought you guys might want to see a couple of pics of a mate of mine he no longer has this bike but he certainly builds awseome vtrs hope you like the picshttp://img438.imageshack.us/img438/6...ears6nemz6.jpghttp://img106.imageshack.us/img106/4664/daz12dcfp1.jpg
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