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Single exhaust superduke??

93 posts · Started by icarve · 30 May 2009

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Post 1 by icarve,

#1
I'm looking for a better sound some weight loss and hopefully a little more HP from my 06 SD.
In a conversation with a custom exhaust builder he casually said that the best setup would be a single cannister exhaust. This got me thinking, and since I live in New Zealand where everything costs 3 times as much as the rest of the world, I thought that maybe there would be a savings here too. So I have got myself a new, single Two Brothers Racing M2 carbon fibre can (a slip on for a Suzi gsxr 1000) figure this can should be designed to cope with as much horesepower as any bike out there.
I am having a custom stainless connector pipe fabricated, and will have the single muffler exiting on the right hand side. I plan to do before and after dyno runs to make sure it works and also hope to see if I can get the dealer put in the Akro mapping for me.
Would like to find out if anyone has done or heard anything on this kind of setup?

Post 2 by Aferal,

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Post 3 by welladjusted,

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Post 4 by omky756,

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Post 5 by Willh,

#5
I like this one.


I don't think there is enough room to put one under the engine.

Post 6 by ktmguy,

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Post 7 by Willh,

#7
Pieces are slowly coming together.

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Post 8 by Willh,

#8
Excellent Will - keep us updated. I like quiet and have a brand new Fireblade 954 can that I'd love to use though it's prolly a bit long

Post 9 by Willh,

#9
I don`t know how quiet it'll be, the video farther up sounds great to my ears.

My stock muffler weighs 24lbs, Leos 11-12lbs, this setup should be around 6-7lbs. Less is more. bikes going on a diet as funds allow.

Recent monetary setback means that I might take a crack at it my self, I have a custom pipe builder that lives across the way that I would prefer to use but have to pay my speedtax first.

Don't hold your breath waiting for an update, they'll come just don't know when.

Post 10 by Willh,

#10
A lot of 990 Adventure riders have 2 into 1 to make room for a tool tube or aux fuel tank. I purchased my set up from HT Racing and they supply the y pipe and a FMF slip on for a Yamaha R6. It usually results in improved mid range power with no improvement to top end. I had a 04 Tuono with 2 into 2 exhaust and a factory 2 into 1 set up with a Akro slip on. When I sold the bike I parted out the 2 into 2 set up and reinstalled the factory with 2 into 1 and was surprised at the improved mid range power.

Post 11 by omky756,

#11
Tickets paid and will get back on this soon.
Looks like I'm going to mount it low. Easiest and best for weight placement, not too concerned with ground clearance as this thing never sees a track.
More mid range power would be nice

Post 12 by nampus,

#12
Stainless U bend, 2 3/8" to 1 3/4" reducer, springs, etc. ordered today, now waiting...

Post 13 by Willh,

#13
Looking forward to seeing how it turns out..
Definitely tidy up the rear of the bike..

Post 14 by Willh,

#14
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Post 15 by Willh,

#15
Package arrived from Burns. Will start mocking up tomorrow.

Indy, What did you end up doing

Post 16 by indy84,

#16
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Post 17 by Willh,

#17
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Swingarm clearance wasn't optimal so it's going to stay high-mounted.

Post 18 by Razy,

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Post 19 by indy84,

#19
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Post 20 by Willh,

#20
Completely changes the look of the bike. Will be interesting to see if there's any changes on the dyno or the power delivery.

Post 21 by indy84,

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Post 22 by Linga,

#22
I believe it was in one of the now dead links farther up. Maybe Bert can get the links back up. I remember him writing that they found the Photos section in cyber-space so you never know.

Did a quick search and came up with nothing. Same on youtube. Maybe he posted the vid on Vimeo or....

Post 23 by indy84,

#23
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Post 24 by omky756,

#24
I was thinking the sound was tainted for poor quality...but...the shape.??? Somehow it seems that there would be a drastic change in power delivery..Maybe too much back pressure..??? It's more like a trumpet..

Post 25 by Willh,

#25
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Post 26 by Linga,

#26
That's the one!
What's the general improvement in having one over two?
Just weight? Or better power as well?

Post 27 by Willh,

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Post 28 by Jermo,

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Post 29 by Willh,

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Post 30 by indy84,

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Post 31 by omky756,

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Post 32 by indy84,

#32
[quote="Linga"]That's the one!
What's the general improvement in having one over two?
Just weight? Or better power as well?[/quote}

ok... so on V twins... a 2-1 pipe will generaly increase low end tourqe... off the line power, out of corners, etc... also weight reduction in my case.

I have the CBR1000 muffler being modified to have an internal race baffle... the shop says that there dyno showed 8hp (With the race baffle) more than a yoshi pipe on a CBR1000.... 8hp is a lot on a bike

The thing that i always thought about the duke is why did they design the 2-1-2...

the extractor effect of the collector (joint of two pipes) is optimal ....but

straight open pipes are great for WOT... so.... my other idear is for two seperate pipes that never join.... $$$ and time are the problem

Post 33 by kowekiller,

#33
Looks killer. Same pipe I had on my CBR 1000rr. You shouldnt have any problems with that single setup being that Ktm stuffed both cylinders into 1 pipe before the twin mufflers. Might as well just run the single pipe(but where does the lic plate go)?

Post 34 by Lowrance,

#34
Might as well be straight tubing right out the back. Wayyyyy too loud for a street application IMHO.

Post 35 by indy84,

#35
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Post 36 by Lowrance,

#36
I've got the carbon oval Leos on my bike. Fired up without quiet core inserts and was shocked at the volume. Installed the inserts before the first ride.

Post 37 by omky756,

#37
I have carbon Leos too..didn't have the db killers when I first installed them..From stock to uncorked the Leos blew me away.!!! They sound bad ass.!!! But..was affraid to ride on the street for fear of the po po...))))

Post 38 by indy84,

#38
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Post 39 by Willh,

#39
More roughing out...
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Hope to have time to get this thing welded up next week.

Post 40 by omky756,

#40
Nice work Willh.

Any shots from a little further away, side or back?

TIA

Post 41 by Willh,

#41
+1

Post 42 by Stratkat,

#42
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Post 43 by Willh,

#43
is it my imagination or does that look like a tiny little inlet to the muffler? on a stock SD, the pipes leading into each muffler look a lot bigger diameter than the one you have going into a single silencer. what the point in restricting it like that???

Post 44 by kowekiller,

#44
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Post 45 by Willh,

#45
looks real good> Dont ruin it with crappy welds!lol No pressure

Post 46 by Stratkat,

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Post 47 by Willh,

#47
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Post 48 by Lowrance,

#48
I'm calling the SD abuse hotline.....That bike is filfthy! Wash it man...have you no shame?

Good luck wtih the experiment. Suppose it'll be next spring before we will know the results.

Post 49 by Willh,

#49
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Post 50 by Willh,

#50
OK, wife said it's a bit loud, I don't know what she's talking about, I can't hear a thing Probably packed the can too tight and I'm in need of a new graphite ring, she leaking badly there.

Photos possibly Sunday, tomorrow, make-do tail tidy and hanger bracket to get back on the road.

Post 51 by Willh,

#51
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Almost done but kind of roadworthy so done for today. Haven't TIGed in a few years and it shows well at least their strong and done by myself. Might wrap them anyway.

Post 52 by Willh,

#52
1Celsius, sun is low, visor fog, trees add strobe effect, sand, salt, cold dead tyres so haven't been able to get a good feel for changes. Feels good in the bottom. Feels lean in the mid range but that's probably more to do with the temperature... top-end, wasn't going to push my luck.

The sound? Much nicer than my Leos with the baffles, almost quieter at idle, deeper, throatier and just as loud farther up. Hurray for me! Very pleased

The truth about power will have to wait until the road conditions and weather are better. She should be wearing some new shoes by then too.

Post 53 by omky756,

#53
Good job bro..!!! sounds like you set out and accomplished your goal..That always leave ya warm and fuzzy...lol..

Post 54 by Willh,

#54
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Post 55 by Linga,

#55
Nicely done I like it. Props for doing your thing yourself

Post 57 by TLS_Russ,

#57
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Post 58 by MrZ32,

#58
SilverB... Email your photos to my personal address (not the engineering one)... I will load them up for you in a bigger resolution... Really nice work though

Post 59 by Willh,

#59
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Post 60 by kowekiller,

#60
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Post 61 by kowekiller,

#61
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there you go mate

love the front disks... love the carbon BST's even more

and im digging the alternator cover being painted black

Post 62 by nampus,

#62
Thanks Mr Z.I am not very good at posting pic's but I did use IMGUR which was a great help.Cheers

Post 63 by Lowrance,

#63
Very nice Silverbear

I believe we should have pictures of a single under-tail by now also....

Post 64 by kowekiller,

#64
NIce Silverbear. That is the same routing that I have been thinking about . Under the swing arm that will keep the exhaust heat away from the shock. Shorter, more direct route out. Nice and clean. That rear seat area / side cover really looks finished to me also, un like the SD. 2X thumbs up. Hum....Wonder if that SM tail would fit the SD

Post 65 by nampus,

#65
To keep this thread going I have something in the works?????? Give me a week to post some pics up.

Post 66 by Lowrance,

#66
I saw a picture of two side by side reverse magaphones capped with SuperTrap disks in stainless steel. Looked reallll nice. It was on a 650R Ninja motor used for flat tracking. Might have a chance of being a tat quiter and more stealth than that shorty pipe above. It was on the ADV forum. I will see if I can find it again.

Post 67 by omky756,

#67
Can't wait to see it finished...and hear it bro..!!!
It's looking...shall I say..
KILLER.!!!!

Post 68 by JohnJJr,

#68
Great stuff .

the advantage of an under the seat single is surviving a crash without trashing a 1,700 $ set of titanium Akra's slipons .

My biggest fear at this point ! HA !!!

Post 69 by kowekiller,

#69
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Post 70 by kowekiller,

#70
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Almost done. Waiting on the baffle I ordered to seal it up. Still need to tig it all together as it is tacked together as of now. The internals are gutted and increased from 2" to 2.5". Same size as the up pipe on the Akro headpipe. I want to start it so bad

Post 71 by Linga,

#71
Start it!
Start it!
Start it!!!

Post 72 by kowekiller,

#72
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Post 73 by Linga,

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Post 74 by kowekiller,

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Post 75 by ktmguy,

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Post 76 by kowekiller,

#76
If the baffle shows up tomorrow I will post a vid of it. And yah Im tempted!!!

Post 77 by nampus,

#77
Looks nice! How much weight did it save?

Post 78 by Blackduke77,

#78
That Looks pretty trick, nice work!
I didn't think it would look very good to be honest but all the custom work you have done on it really makes it look part of the bike.
Can't wait to see it all back together.

Post 79 by kowekiller,

#79
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This is the difference in the outlet size.

Post 80 by kowekiller,

#80
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All done! It sounds so f@$kin cool. If I can figure out how to load a video I'll get it up.

Post 81 by kowekiller,

#81
By the way. It seems to have smoothed out the low end considerably . It pulls smooth all the way to the top while emitting a sweet sound that I can't explain. Throaty with a little rasp.

Post 82 by Lowrance,

#82
Workmanship looks good!

How loud is it?

Post 83 by kowekiller,

#83
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Post 84 by omky756,

#84
Great job bro..!!!
I gotta hear 'em..!!!
EDIT....
Hear IT..!!!

Post 85 by JohnJJr,

#85
Fook'n Gnarly man

Post 86 by nampus,

#86
Looks awesome!

Post 87 by kowekiller,

#87
Thanks guys.

Post 88 by Bert,

#88
I bet you lost 18 lbs compared to the stock anchor. Nice. I want...with the SDR solo seat

Post 90 by Bert,

#90
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Post 91 by kowekiller,

#91
I wish I could understand what they are saying. Looks like a god site!

Post 92 by Willh,

#92
F@cking gorgeous bikes! Especially the "Road Hero". I really want a set up like that, with teh front head light. My only complaint on the 05 06, head light mask is just to big. Moto gp side exhausts, real low slung are awesome. this is a great thread.

Post 93 by kowekiller,

#93
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