Exhuast pipe.. gauge

rob1bike · January 23, 2007, 06:21:04 PM

Hey, I didn't mean to offend when I said kid.... Man man man man! Better?
How about a maybe a high mount pipe with a bolt type flang that will accept the wileyco can? That would be hot and you can get those cans cheap when available. I think they are on ebay now...maybe.
.02 worth.

Kid!

Susuki_Jah · January 23, 2007, 09:20:21 PM

Quote from: rob1bike on January 23, 2007, 06:21:04 PM
Hey, I didn't mean to offend when I said kid.... Man man man man! Better?
How about a maybe a high mount pipe with a bolt type flang that will accept the wileyco can? That would be hot and you can get those cans cheap when available. I think they are on ebay now...maybe.
.02 worth.

Kid!

hah no offence taken. somtimes people view you differently when they actually know your real age . for better or for worse.

I dont know if I really wanted any cans. I was thinking of straight piping them. but I do not want to kill my performance. I have the vance & hines system now and the bike feels very strong and will take a stock gs500 to the cleaners lol. I have other mods though. but anyways. I was trying to get away from having the pipe run up on the back I like the clean look but I also wanted to make it cemetrical and run two pipes.

here is the drawings of the idea's I had I would love some performance related input. I just dont want it to hurt me. I could care less about the gain , although the exhuast will be lighter.

NiceGuysFinishLast · January 23, 2007, 09:26:53 PM

I can tell you right now that the system drawn won't produce enough backpressure with no cans.

It looks badass though. If you look in "the thread about the nicest GS ever that won't die", you can see something Jim Knopf did that's similar, but they exit a little farther back.

Susuki_Jah · January 23, 2007, 09:35:06 PM

Quote from: NiceGuysFinishLast on January 23, 2007, 09:26:53 PM
I can tell you right now that the system drawn won't produce enough backpressure with no cans.

It looks badass though. If you look in "the thread about the nicest GS ever that won't die", you can see something Jim Knopf did that's similar, but they exit a little farther back.

ok so not enough backpressure can result in burning up your valves correct or is it rings... the vance and hines system how much backpressure does that actually produce I mean its so loud that I figured it barly has any back pressure as is. but what style can do you think I can use that will be small and light weight could fit under the bike without creating problems. somthing very short or just enough to give me the pressure I need. I was thinking Idea #2 would give me some back pressure. but Ive got to do some serious perfect bends and cuts to get the perfect tig welds, fill the inside with inert gas to get good smooth beads on both sides.

cafeboy · January 23, 2007, 10:17:52 PM

What about putting a baffle in each pipe for back pressure ?

coll0412 · January 23, 2007, 10:43:27 PM

And then selling your Vance and Hines to me for cheap for my race bike

Anways, if you are welding up Ti, do something like Rossi's bike

NiceGuysFinishLast · January 24, 2007, 12:27:13 AM

The thought I had awhile back was chopping up a buell can for use as an underbelly exhaust. Just a thought though, not sure about the logistics of it. Send a PM to makenzie71, as much as people like to bash him, he knows a bit about plumbing. Also PM GeeP, as he knows a good bit about the subject (damn MEs)

rob1bike · January 24, 2007, 08:16:03 AM

Have you ever listen to a gs with straight pipes? I fired mine up when I cut the can off and it was WAY loud, but sounded like hell!
Loud is fine, but its gotta sound good too
.02

Susuki_Jah · January 24, 2007, 10:12:59 AM

Quote from: coll0412 on January 23, 2007, 10:43:27 PM
And then selling your Vance and Hines to me for cheap for my race bike

Anways, if you are welding up Ti, do something like Rossi's bike

definatly cool I wonder where I can find that tiny little can on there. I havent done much searching yet though. I would still make the exhuast shorter and lower in line.

well my bike does sound sweet with the V&H but its so loud that it will hurt your ear drums if you dont have ear protection or a helmate one so it led me to beleive that there is really no restriction on that pipe. lol i have no idea how long the system has been on the bike btw.

but the idea with the small cans and two induvidual pipes sounds kinda cool or do you think i would benefit better with two into one with one can?

Turd Ferguson · January 24, 2007, 10:39:31 AM

I know the Vance & Hines is loud, but you have no idea how loud that bike will be with the set up you are considering.

-Turd.

Susuki_Jah · January 24, 2007, 04:14:18 PM

Quote from: Turd Ferguson on January 24, 2007, 10:39:31 AM
I know the Vance & Hines is loud, but you have no idea how loud that bike will be with the set up you are considering.

-Turd.

cant be any louder than a 302 running open manifolds

lol. I had the experience of hearing a kz750 with each exhuast outlet seperately piped straight and then ran under the bike seperately. sounded like nascar lol. well I figure when I do this if I dont like it I will only be out the money I spent on the Ti. but .. I want to find those little mufflers and place at the ends. but I do not want it to be any more qiute than the V&H actually I like Loud!

l3uddha · January 24, 2007, 06:03:19 PM

cool ideas!

I do remember seeing a pic of a GS with an underbelly buell can a while back somewhere.
I think the ride height had to be seriously raised to keep the can from bottoming out.

Susuki_Jah · January 26, 2007, 03:19:24 PM

Quote from: l3uddha on January 24, 2007, 06:03:19 PM
cool ideas!

I do remember seeing a pic of a GS with an underbelly buell can a while back somewhere.
I think the ride height had to be seriously raised to keep the can from bottoming out.

I figure if I follow the same diameter pipe all the way out and under the bike I will have no problems with clearence. we will find out next week when I start the project.

CirclesCenter · January 26, 2007, 06:47:48 PM

http://store.summitracing.com/partdetail.asp?autofilter=1&part=DTC%2D72%2D32520&N=700+0&autoview=sku

How about those? I used them on my Monte Carlo SCCA car and they got it down to track legal pretty easily.

RVertigo · January 26, 2007, 06:53:24 PM

Quote from: NiceGuysFinishLast on January 23, 2007, 09:26:53 PMthe system drawn won't produce enough backpressure with no cans.

I saw a bobber that looked like it had straight pipes... But when he started it, it wasn't very loud... So I had to ask...

He took the tweets from a bug exhaust (for those that don't know, the tweets are the little chrome (or rust) pipes that come out of the back of the bug... Called that 'cause they make a tweet noise) and welded them into the exhaust... Filled in the difference to make them look totally straight, ground it smooth, and chromed 'em...

There was just enough pipe passed the baffles that you couldn't really tell it had any baffles at all...

Sweet idea!

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Exhuast pipe.. gauge