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Rigid_frame
Posted on Thursday, January 28, 2010 - 02:30 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

im thinking of making my own exhaust, does anybody have any input on what kinda muffler to use? i was thinking of doing something like this, and putting some turn out tips.any ideas? thank you

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99buellx1
Posted on Thursday, January 28, 2010 - 02:48 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Look around, do some searching in here, there are tons of threads where people have made their own systems.
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1_mike
Posted on Thursday, January 28, 2010 - 03:19 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Rigid -

Question...you state you "are thinking of making your own exhaust".

If this is true, why are you asking the free world IT'S opinion..?

It's your bike, make YOUR own decisions...then let the internet world comment.
Only then will it be your...exhaust (or whatever) not a compilation of many peoples thoughts.

Only you have to be happy with the outcome, no one else..!

Mike
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Rigid_frame
Posted on Thursday, January 28, 2010 - 03:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

i was asking to see what would be a good muffler to go with. if something like the picture would work, just trying to get ideas from a few people who know more then me.
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D_adams
Posted on Thursday, January 28, 2010 - 06:09 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I built my own, 304 SS all throughout.

How to do it is here.









I will be doing some more exhaust work early next week. Single inlet, dual outlet, same style turnouts, but one to each side.

(Message edited by d_adams on January 28, 2010)
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Jules
Posted on Thursday, January 28, 2010 - 06:16 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

D_Adams I still REALLY like that pipe!

The search function on this site works reasonably well (most of the time) so you will find quite a bit of info in there if you look.

There have been lots of very interesting threads on this topic - getting useful ideas from a forum is a great way to start the process so don't be discouraged from asking!

The muffler you're asking about would exit directly on to the rear tire though - but you're right some turnouts would fix that. It looks kinda long though?

I guess it depends what "gains" you are after (aesthetics, sound, HP, Torque, all of them) there are some very experienced and knowledgeable folk on here (I'm not one of them LOL)

(Message edited by Jules on January 28, 2010)

(Message edited by Jules on January 28, 2010)
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D_adams
Posted on Thursday, January 28, 2010 - 06:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If you like it just seeing it online, you should feel it in person.




It's loud, similar to a Jardine for volume when you're up close, but a much deeper tone, kinda like an old, well built V-8 that just shakes the ground next to it. Walk away 10 feet and it's not really that loud, although you definitely know it's still running.
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Jules
Posted on Thursday, January 28, 2010 - 06:32 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Bloody Tease ; ) when's the production line starting up?
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D_adams
Posted on Thursday, January 28, 2010 - 06:47 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Give me some time, I'm working on something, at this point I'm waiting on a reply to an inquiry.
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Dannybuell
Posted on Thursday, January 28, 2010 - 07:50 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

1_Mike RE: rigid_frame response

---------
col·lab·o·rate (kə-lāb'ə-rāt')
intr.v. col·lab·o·rat·ed, col·lab·o·rat·ing, col·lab·o·rates

To work together, especially in a joint intellectual effort.
---------

Some people enjoy the collaborative learning experience, apparently you don't.

dannybuell
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Rigid_frame
Posted on Thursday, January 28, 2010 - 09:20 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

do you think the mid pipe needs to be a certain length? Is longer better or is shorter okay?
I have a hmf pipe now and was going to use the mid pipe it came with and work off that. i thought about shorting it and making a mount for the hmf under the bike.
Any real help would be greatly appreciated.
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D_adams
Posted on Thursday, January 28, 2010 - 09:53 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Volume vs. velocity. You need to calculate exactly what it is you want to do. Industry standard says 2" pipe for this size engine. I disagree and used a 2.5" midpipe with no ill effects, actually, I still have room for tuning later, since it runs like the stock pipe. If noise reduction is an issue (it wasn't for me) then just about any aftermarket pipe or custom made exhaust is going to be too loud. There are a lot of other variables you need to account for. Exhaust pulses, engine rpm, etc. What kind of power are you looking for? More on the bottom? More on top? Balanced mix? There's a bit of math involved in determining the correct tuned length for your exhaust pipe, shape and diameter. Other restrictions are available space and what you want it to look like.
Look at the cheaper options for exhaust, ie; D&D, Jardine and HMF. How are they made, what materials are used and what do they accomplish. On the flip side of that, look at the more expensive options and make the same comparisons. You get what you pay for or what you can afford to spend if you make it yourself. My parts cost was under $450 for materials to build the pipe I posted above. It's all 304 SS and will most likely last the life of the bike and then some. I will never have to worry about it rusting or falling apart.
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Dannybuell
Posted on Thursday, January 28, 2010 - 10:33 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Rigid_frame;

I have had a D&D pipe on my 96s1 for over twelve years and I like knowing I can get some cagers attention. last time I did it was turning into a parking lot and the exiting cager was rolling into my turn path looking the other way! ROAR, he woke up in a hurry! I have no doubt in my mind that a horn would not have worked, it would only have been background noise.

when you say turnout tips my first inclination is in both directions and a bit downward, away from the bike.

I really appreciate the dual exit ideas being presented. being heard on both sides of the bike is way cool.

I know nothing about this stuff, just googling

http://www.bosalperformance.com/images/Bro_prod/24 7-5006.jpg

or

http://www.bosalperformance.com/images/Bro_prod/24 7-5015.jpg


dannybuell
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Toysgarage
Posted on Friday, January 29, 2010 - 08:22 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

good stuff guys!!!

get a few ideas here and there and make it all yourself, but dont think too hard or you will just confuse yourself, and dont expect it to go like a rocket either
the idea is just to free the engine up a little bit so you can hear it.

and remember, the exhaust that works best on the factory tune, is the stock one

adam ... neat job dude!!!
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Rigid_frame
Posted on Friday, January 29, 2010 - 08:24 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

im wanting to make a balanced mix of power.im stretching my swingarm so i will have alittle more room underneath the bike,either ones of those mufflers would be cool that dannybuell posted. with the tips turned out each side.
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Toysgarage
Posted on Friday, January 29, 2010 - 08:44 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)




this might help if you havent already seen it
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Rigid_frame
Posted on Friday, January 29, 2010 - 08:57 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

what mufflers are those toy?
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Toysgarage
Posted on Saturday, January 30, 2010 - 12:04 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

i made them myself , their just 304 ss 3 1/2 and 3 inch o/d 2" inlet & outlet ,drilled tapered cone inside welded on a 1 1/2" (it was) perforated tube straight through, packed with s/steel wool & f/glass as much as i can fit.
easy i can show u how to make it ,tricky part is pressing those cones without breaking it.
its got good clearance too , you can fit a 375ml can under it no worries ( without body weight)
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D_adams
Posted on Saturday, January 30, 2010 - 12:07 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Toy, what's the clearance to the kickstand from the muffler? Mine was about 1/2" or a little less. Any pics from the other side under it?
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Dannybuell
Posted on Saturday, January 30, 2010 - 12:35 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

toys that x pipe looks like something from the old school. I love it.

dannybuell
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Lastonetherebuys
Posted on Saturday, January 30, 2010 - 11:49 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

dam I wish i still had access to a tig
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Blackflash
Posted on Saturday, January 30, 2010 - 12:16 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I made these for the stock exhaust.They give a little more thump due to side exit and they keep the bike clean.Its been proven that the stock exhaust produces good power with a race map.


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Cobradave93
Posted on Sunday, January 31, 2010 - 06:13 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Cool, that's my bike. Thanks for gettin' that pic up. I still can't get them downsized to fit here.
Those tips do add just a little bit extra sound and keeps the exhaust away from the brake rotor. They also fit great and I think next I will be checking on that race ECM.
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Ponti1
Posted on Sunday, January 31, 2010 - 06:54 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Cobradave, just to let you know, I can save you the check on that race ECM. I sent an e-mail with a bunch of questions around the use of the ECM on stock exhaust and how it would work. Apparently, they will provide you a race map specific to your intended application, or at least that's my take on it. Here's the response:

We can provide an ECM programmed for your stock exhaust that will give you a slight improvement on the track. It will not cause any damage to swap back and forth between the stock ECM for the street and the race one on the track. The stock exhaust is actually not all that restrictive, however a slip-on muffler without all the sound baffling and double wall shell for noise will save weight and add a bit more power. Something like the drummer or the FMF slip-on for example. You would need the ECM programmed differently between these two situations, but we can re-flash your ECM for $25 if you decide later to buy a slip-on exhaust.

Customer Support
Erik Buell Racing
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Jules
Posted on Sunday, January 31, 2010 - 08:12 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

$25 to reflash it Holy Crap that's good value... Makes the $250 even more tempting!
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Cobradave93
Posted on Sunday, January 31, 2010 - 08:41 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

That sounds like a great deal, I wonder if that ECM flash for the slip on would be good for my other bike w/ a modded stock muffler. Might have to email them. Thanks for the info.
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Albert666
Posted on Sunday, January 31, 2010 - 01:36 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

this is my mk2 exhaust with the easier primaries, i have some egual length ones too, i'm booking a dyno sesion to see what difference there is

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Moosestang
Posted on Sunday, January 31, 2010 - 02:21 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Toygarage, do you have any shots fro the side, down low?
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Freight_dog
Posted on Sunday, January 31, 2010 - 03:43 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Albert666; that looks really good. It follows the engine nicely with the turnout reminding me of the FMF full that everyone likes so much.
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Avc8130
Posted on Sunday, January 31, 2010 - 05:41 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Is that a cat?
ac
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