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1Back to top Go down    Twin Exhaust for K100 on Fri Jun 25, 2010 5:35 am

Dennis


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Platinum member
I've read somewhere that a twin exhaust (aftermarket) was produced for K100's, 1 pipe each side with a cross over somewhere in front of the rear wheel. Does anyone have any information, I'm curious more than anything, it would change the whole look of the bike obviously (if such a thing exists).


2Back to top Go down    Re: Twin Exhaust for K100 on Fri Jun 25, 2010 7:42 am

Crazy Frog


admin
admin
Yes, Check this


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1986 k75, 1985 K100rt,1985 K100rt/EML sidecar.

3Back to top Go down    Re : Twin Exhaust for K100 on Sat Jun 26, 2010 2:07 am

Dennis


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Thanks for the pic Bert, very interesting, I wonder what it would sound like ? I would like to get my hands on a twin system but have never seen one advertised anywhere.
Dennis


4Back to top Go down    Re: Twin Exhaust for K100 on Sat Jun 26, 2010 2:32 am

beachcomber


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Silver member
Certainly changes the look of the bike dramatically - hate to imagine what it does for the tuned length of the primaries ??????????????


5Back to top Go down    Re: Twin Exhaust for K100 on Sat Jun 26, 2010 4:09 am

phil_mars


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Life time member
Dennis wrote:Thanks for the pic Bert, very interesting, I wonder what it would sound like ? I would like to get my hands on a twin system but have never seen one advertised anywhere.
Dennis

Based on the picture that is a very early model so I suspect the only option (not cheap but what is) would be a custom made job but I do like the symmetry of twin pipes.


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Regards,
Phil

6Back to top Go down    Re : Twin Exhaust for K100 on Sat Jun 26, 2010 6:30 am

Dennis


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Yes Phil, I like the look of it for the same reason. I have a mate with a CBX 1000, the exhaust looks very similar. I know of a guy in Launceston who buillds these things in stainless, he did a full set of headers and pipes for that CBX, a wicked looking job. I think I might be speaking with him, with that pic as a sample.


7Back to top Go down    Re: Twin Exhaust for K100 on Sat Jun 26, 2010 3:45 pm

ssray


active member
active member
prices between 375 euro and 600 euro for the twin system.


8Back to top Go down    Re: Twin Exhaust for K100 on Sat Jun 26, 2010 5:54 pm

phil_mars


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Life time member
Dennis wrote:Yes Phil, I like the look of it for the same reason. I have a mate with a CBX 1000, the exhaust looks very similar. I know of a guy in Launceston who buillds these things in stainless, he did a full set of headers and pipes for that CBX, a wicked looking job. I think I might be speaking with him, with that pic as a sample.

You have to think with two less pipes it would have to be cheaper and as the existing header are stainless he may be able to just make up a modified collector but as Beachcomber suggested getting the primaries the same length would be difficult although the question is are they anyway? I think the K75 exhaust makes an attempt but the 100 pipes are all straight unless they disappear into the muffler at different lengths?


__________________________________________________
Regards,
Phil

9Back to top Go down    Re: Twin Exhaust for K100 on Mon Jun 28, 2010 3:58 pm

BadjerJim


Silver member
Silver member
The primaries don't have to be the same length. Make the shorter ones out of slightly smaller diameter tubing to achieve the same back pressure in the system.


10Back to top Go down    Re: Twin Exhaust for K100 on Tue Dec 04, 2012 10:21 pm

Two Wheels Better


Moderator
Moderator
Dredged from the forum's dusty tomb...

http://echappementmoto.com/IMAGES/echappementmoto/BMW/K100/echappement%20moto%20BMW%20K%20100.php

Looks like they might've discontinued the twin exhaust pipes....bit of a bummer. I reckon you'd lose the centre stand too...


__________________________________________________
11/86 K100RS, nicely sorted.


Others currently owned, '77 R75/7, '91 R100 w/K12S fairing, '03 K1200GT Brick, '04 R1150RT, & underway on a K12-powered K100 w/Paralever

11Back to top Go down    Re: Twin Exhaust for K100 on Wed Dec 05, 2012 1:51 am

Inge K.


VIP
VIP
Nico Bakker did also make a 4 into 2 system to the K, once upon a time.


__________________________________________________
Inge K.
K100RS -86. (first owner), K1100LTSE -94.

12Back to top Go down    Re: Twin Exhaust for K100 on Wed Dec 05, 2012 2:18 am

the.postman


Life time member
Life time member
Two Wheels Better wrote:

Looks like they might've discontinued the twin exhaust pipes....bit of a bummer. I reckon you'd lose the centre stand too...

BSM still list them on their website for pre sept 85 k100

450 euro for the 4 into 1
575 euro for the 4 into 2

http://www.bsm-exhausts.com


__________________________________________________
1985 K100 RS 104EA49840092 #0081788 SILVERish (Madison) Prod. date 05/12/84
1984 srx 600
1986 cbr1000f/h

13Back to top Go down    Re: Twin Exhaust for K100 on Tue Dec 11, 2012 6:21 pm

Themason


Platinum member
Platinum member
I think it is going to drag on corners, at least the right side certainly will. I drag the center stand on the right. I would be afraid of levering the rear wheel off the ground. It is not as tucked in as the pipe our bikes came with. Two mufflers mean more weight too. What's the point? The stock exhaust doesn't rob you of horsepower, doesn't drag and doesn't weigh as much. Still, interesting to see.


__________________________________________________
I live in a parallel universe but have a vacation home in reality Arrow

1984 K-100RS Alaska Blue w/Parelever and 16V wheels.

1984 K-100RS Metallic Madison stock

1986 R-80G/S w/1000 cc engine

2007 Harley Davidson Street Rod Mirage Orange w/XR1200 wheels, Race Tech, True Track, Works Performance shocks

2007 Harley Davidson Street Rod Vivid Black stock

1993-ish K-100/1100RT/LT hemaphrodite frankenbike thingy to be painted satin black from a rattle can eventually

14Back to top Go down    Re: Twin Exhaust for K100 on Tue Dec 11, 2012 6:24 pm

Themason


Platinum member
Platinum member
Two Wheels Better wrote:Dredged from the forum's dusty tomb...

http://echappementmoto.com/IMAGES/echappementmoto/BMW/K100/echappement%20moto%20BMW%20K%20100.php

Looks like they might've discontinued the twin exhaust pipes....bit of a bummer. I reckon you'd lose the centre stand too...

Look carefully at the photo and you can see the center (not centre Twisted Evil) stand in the stowed position.


__________________________________________________
I live in a parallel universe but have a vacation home in reality Arrow

1984 K-100RS Alaska Blue w/Parelever and 16V wheels.

1984 K-100RS Metallic Madison stock

1986 R-80G/S w/1000 cc engine

2007 Harley Davidson Street Rod Mirage Orange w/XR1200 wheels, Race Tech, True Track, Works Performance shocks

2007 Harley Davidson Street Rod Vivid Black stock

1993-ish K-100/1100RT/LT hemaphrodite frankenbike thingy to be painted satin black from a rattle can eventually

15Back to top Go down    Re: Twin Exhaust for K100 on Tue Dec 11, 2012 6:37 pm

RicK G


Life time member
Life time member
TWB is an Aussie so centre it is


__________________________________________________
They can have my K1100 when they prise it from my cold dead hands.
Bikes 1993 K1100 LT, 1993 K75 RT, 1986 K75 GS, 1979 Z1300 Kawasaki & 1976 SR 500 Yamaha for now

16Back to top Go down    Re: Twin Exhaust for K100 on Tue Dec 11, 2012 10:06 pm

Two Wheels Better


Moderator
Moderator
Rick G wrote:TWB is an Aussie so centre it is

While the clamour of twin exhausts are not actually in my list of favourites, I do labour to appreciate the idea of things of a different colour, and endeavour to harbour no rancour towards those whose mode of behaviour is to metre out with vigour a gesture of correction, whilst I stand to the centre, the splendour of neighbourly valour doth suit my demeanour and is without glamour, but candour, and something requiring not armour, but honour. 'Tis all but a bit of theatre.
-Two Wheeliam Shakesuperion


This bloody cold and fever's really got a hold on me this arvo. Time for more sleeps before I get truly delirious.
Wink


__________________________________________________
11/86 K100RS, nicely sorted.


Others currently owned, '77 R75/7, '91 R100 w/K12S fairing, '03 K1200GT Brick, '04 R1150RT, & underway on a K12-powered K100 w/Paralever

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