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Jdubb
Posted on Friday, March 25, 2005 - 10:04 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Has anyone tried the exhaust mods described at
http://www.geocities.com/buell_racing/muffler.html?200520
Sounds interesting.}}
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Ejiii
Posted on Friday, March 25, 2005 - 10:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Buy the Drummer. It has been extensively tested, there are many satisfied customers out there and it too uses the stock pipe.
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Vegasbueller
Posted on Sunday, March 27, 2005 - 07:32 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Done it...love it! SO has Charlieboy, and a few others here. You will hear "buy the Drummer" all day long around here, but for those of us that want to pocket the $400.00 for right now, you can't go wrong with that modification. There are a hundred different ways to do your own pipe on an XB! Just keep in mind that you will lose some bottom end "umph", but the top end (where most everyone rides anyway) is awesome!
Nick
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Cataract2
Posted on Sunday, March 27, 2005 - 08:56 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Isn't that the same thing they do with the Drummer in a sense?
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Tank_bueller
Posted on Sunday, March 27, 2005 - 10:19 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I'm curious for even a vague description of what the Drummer looks like on the inside. Do they re-route the flow, fill it with glass packing, what!
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Jerseyguy
Posted on Sunday, March 27, 2005 - 11:32 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Vegas, Not to be contradictory, but the Drummer adds to bottom end as well as the top and I really don't think anyone rides at the top end all the time with the possibility of guys who road race. My 9 is doing 110 in fourth at the top & I haven't hit the top 135 as of yet in fifth. With the dopey national limit at 65 and the comfortable limit at maybe 80, the top end is largely unused except for accelerating up to speed. I will grant you that the Jersey Patrol probably holds a tighter grip on us than the police out where you are.

Spatten - Odie's design is nothing like the Drummer.

Tank - Kevin's exact design is known only to a few of us. He has made them with and without packing but so far he has favored the ones with packing as he feels they help to develop more power.
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Thansesxb9rs
Posted on Sunday, March 27, 2005 - 11:35 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Jdubb, my brother and I both did it, he liked it so much he sold the jardine and put the modified stock can back on. It makes it sound some what like an old muscle car and with my seat dyno I felt a 3-4 horse power gain. Modify the stock can and if you don't like it then buy the drummer. If you do like it then you save yourself some cash and then buy some other goodies.
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Bake
Posted on Sunday, March 27, 2005 - 11:39 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Ok, now that we established this mod is... OK... is there anything else that needs to be done at the same time.

I just don't like my Buell sounding like my buddys BMW

bake
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Vegasbueller
Posted on Sunday, March 27, 2005 - 12:22 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Jersey: Thats what I understood about the Drummer. I wasn't knocking it either, Just saying that I used my money in other places. And yep... there are places out here where we can run 130 unmolested for quite a period of time.

Bake: Mine has an awesome sound. I can't begin to tell you how many comments I have had sitting at redlights about how "bad azz" it sounds.
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Spiderman
Posted on Sunday, March 27, 2005 - 01:02 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I can only imagine how many of them little cut off wheels you will waste using a dremel to cut thru a stock muffler LOL
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Tank_bueller
Posted on Sunday, March 27, 2005 - 01:37 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

dremel.......haha.....better start cutting now, and maybe it will be ready next spring
(a dremel has many good uses; but this is not one)
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Rigga
Posted on Sunday, March 27, 2005 - 01:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

"and with my seat dyno I felt a 3-4 horse power gain"

sure have a sensative butt there no way you or anyone else can feel that kind of difference,seems to be an obsesion on how you can feel performance differences just by the seat of the pants no way,no how
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Vegasbueller
Posted on Sunday, March 27, 2005 - 02:01 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Hey spidey.. I cheated! I put it on a nice bandsaw. It took less than a two minutes to make it through the can. I used a sawzall with a short blade to cut out the pipe inside and then $20.00 to the local muffler shop for the reweld. Ohh and about 8 bucks on some high grade exhaust paint!

(Message edited by vegasbueller on March 27, 2005)
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Bbstacker
Posted on Sunday, March 27, 2005 - 02:17 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I rode with Charlieboy all day yesterday. He has done the stock can mod you're talking about and his scoot sounds great. It amplifies the lower exhaust note and adds a nice crackle off the line and when down-shifting. I'm running the race can with the race ECM and there is pretty much an even split with top and low end performance improvement. Charlie's bike was tearing away from me at the top end RPMs. Go ahead and hit him up and see how he likes it.
BTW Charlie, Thanks again for the assist with those exhaust clamps.
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Kds1
Posted on Sunday, March 27, 2005 - 02:26 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Well contrary to popular belief, I'm not leaving the stock guts in your cans...It's not drilling holes either...I used to build my Drummers out of fire extinguisher cans and they had nothing in them to start with....I have my own design and the Drummer is only one way of doing what I know...I take your mufflers apart before I do what I do so if you think its as easy as 20.00 bucks then come to the shop and lets see how long it takes to get the insides out without destroying the can...

www.kdfab.com
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Jerseyguy
Posted on Sunday, March 27, 2005 - 03:28 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Vegas, No offense taken. I just want to make sure no one thinks Kevin cuts the back off, drills some holes and then puts it back together. I know 'cause I've made the drawings. If all you want is a louder pipe, then drill away. If you want more power, it takes knowledge, time and a great deal of real testing & not seat of the pants guessing. We still aren't completely satisfied with the performance of the loud Drummers. Their performance is down from the original design. Kevin is working on it though. I know some folks think loud means power. For me, at the state of tune of most street bikes, loud means poor bottom and lower midrange performance with maybe some gain at the top.
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Vegasbueller
Posted on Sunday, March 27, 2005 - 04:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

"I take your mufflers apart before I do what I do so if you think its as easy as 20.00 bucks then come to the shop and lets see how long it takes to get the insides out without destroying the can"

Kevin.... if that was aimed at me bro.... I was not making any insult against your product at all. It simply stands to reason that like any diverse group of perormance minded people that some may not be able to afford to do certain things. What I offered in my suggestion was a lower cost alternative that will unarguably give them better performance than stock on the top end and even some through the mid, as well as a much improved exhaust note. There are guys here that love to ride that just can't afford what you sell.

Nick
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Ilikehotchicks
Posted on Sunday, March 27, 2005 - 04:29 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Ive had power get me into trouble a few times, Thats why i decided to try this mod because i just wanted the sound and didnt care about the power. to be honest the thing sounds awesome and well it is a little stronger then stock. I was surprised Also i got to give the exhaust a nice paint job when i had it off, Which it needed bad!
Ben
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Kds1
Posted on Sunday, March 27, 2005 - 05:13 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Vegasbueller,
No offense taken from you or anyone, just wanted everyone to know that I don't just cut it open and cut the end pipe off and weld it back together for $400 when I could too cut the end like others and do the same thing cheaper...

www.kdfab.com
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Kowpow225
Posted on Sunday, March 27, 2005 - 05:30 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Kds,
Can you give us any information about the internals of your dyno-might drummer without possibly invading into the drummers "secret space"? I'm curious on the construction as well, but not exact specs and measurements.
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Kds1
Posted on Sunday, March 27, 2005 - 06:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Yeah, They're homemade and not built by machine....
It's not so much what the insides look like as much as what variables that are being controlled and by what extent...I'm not saying that any other design is wrong, but knowing what to do with it is the greater question....some times we try to get caught up in science and formulas as to what should be going on, and try to controll too many variables, you can only guess what is happening in the engine at any given time and work with it not try to make it breath a certain way or direction...I've figured out what the key variable that makes most of the difference is and I can use it to it's advantage...all this is just from experience...most all exhaust mufflers are either straight thru or reverse flow design and learning what is best from the two and making one that doesn't manipulate airflow past it's likings, well you have a great pipe....

www.kdfab.com
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Odie
Posted on Sunday, March 27, 2005 - 06:48 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Jerseyguy, if you are implying that the design above is mine you are wrong. And as far as what's inside a pipe- anyone with a cutoff saw and a cutoff tool can get inside ANY pipe to see what's inside.......
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Buells Rule!
(Dyna in disguise)

Posted on Sunday, March 27, 2005 - 07:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

"and with my seat dyno I felt a 3-4 horse power gain"

sure have a sensative butt there no way you or anyone else can feel that kind of difference,seems to be an obsesion on how you can feel performance differences just by the seat of the pants no way,no how


Agreed 100%.
Without actual dyno testing you never know what you are getting. Get a stock run done & then do your mods & see what you picked up. I fail to see why anyone who is into extracting as much power as they can would fail to have their bike dynoed. It doesnt cost much & sure there are differences from dyno to dyno & no 2 will ever read exactly the same, but if you have your bike run on the same dyno then you will know what performance you gained or possibly lost.
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Tank_bueller
Posted on Sunday, March 27, 2005 - 07:43 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

No ofense meant here either.

I fully respect the extent ya'll have gone to with re-designing the stock can.(I like stock looking, better stuff) And if I had $400, I would send my "extra" XB9 can to be "Drummified". but I don't.

I was hoping for just a little insight on the tech side, and I believe I received it in this post. I know there's alway more to the story, but I now have a good direction to start my project.

thanks,

tank

p.s. I will not be stealing ideas......this will be my own f-up.
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Thansesxb9rs
Posted on Sunday, March 27, 2005 - 08:04 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Rigga and Dyna, It's called a joke. Reread and maybe you will laugh, unless you have no sense of humor.

(Message edited by thansesxb9rs on March 27, 2005)
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Evil_twin
Posted on Sunday, March 27, 2005 - 09:25 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Or you could buy a used Drummer off me for a little cash. It's in the classifieds...

Sorry Kev. Great pipe, but I want to wake more of the neighbors.

Rich
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Charlieboy6649
Posted on Sunday, March 27, 2005 - 11:58 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

The link doesn't accurately describe what I did to mine...

When I made the cut across. I went in front of the outlet with sawzall. This cut the pipe returning the exhaust from the front further in. Then I sealed the other two holes going to the front of the pipe.

Essentially, the exhaust now has to fill that little chamber before it exits. In the link above it can go straight out. I owned a Jardine and loved the top end hit but it was a pig down low. With this mod, I didn't lose my bottom end. IT'S STILL THERE. I think it's simply because the outlet pipe is a little longer creating back pressure.

I've said this before and I have nothing to prove to anyone. If you're looking for a descent mod and don't have much $$$, this is a good place to start for $20 worth of welding. I won't be giving it up.

http://www.badweatherbikers.com/cgibin/discus/show.cgi?tpc=32777&post=383346#POS T383346
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Charlieboy6649
Posted on Monday, March 28, 2005 - 12:02 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

BB (Mark),

Glad you made it home safe.
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Rigga
Posted on Monday, March 28, 2005 - 07:03 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Thansesxbr9s if indeed you were joking then i do apologise,but having re read you posting several times since i fail to see it,first apperances seem to advocate cutting the standard can open,performing a few simple mods and the end result is a power increase....my point in reply was simply that any claim of increased performance by feeling is pure folly at best,and dangerouse at worst....having carried out many mods on my bike,i felt pretty sure it was an improvement over the race kit i had previously fitted,re running on the dyno proved otherwise,losses through out the rev range,sound plays a big part in this and is very confusing to the body,some of us are happy with the sound increase alone,so all well and good,but to those looking to improve the bikes performance a statement of a 3-4 hp increase muddies the water even more than it is already,again i think this seat of the pants dyno is used too much on here and we can only really believe hard facts which a dyno can prove/disprove,the continuing saga of setting up a bike with the tfi is a case in point,jerseyguy is going the right way on this by hooking his bike up with data sensors to verify what is actually happening,fact not fiction,lets just try to stick to facts thats all....again if your post was indeed jovial,please dont take offence,as for my sence of humour,well having had to have my gearbox rebuilt after only two months ownership and still loving the bike,i think i do indeed have one
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Jerseyguy
Posted on Monday, March 28, 2005 - 07:13 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Odie - No offense directed toward you. I really haven't followed very closely what you have done to your muffler. I'll have to go back & read the thread if I can find it. My point remains as stated above.

Dyna - I couldn't agree more. When I first installed the TFI with the suggested settings for the stock ECM I thought it ran great. After I instrumented my 9 & saw lambdas in the .6s & .7s with the race ECM, I realized my initial impression was wrong. I suspect that it's a lot easier to tell when you mess things up badly than when you add a couple of HP somewhere in the power band. Witness all the threads on severe loss of low + midrange power and backfiring when adding the more open. louder mufflers.
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