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12425 - Established June, 2013 - all GRiSO, all the time...
 
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 Breva 1100 exhaust mod

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Nobleswood
guzzitragic
wyno
alanlemansiv
kiwi dave
beetle
melonman
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beetle
GRiSO Capo
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beetle

Posts : 8734
Join date : 2013-09-30

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PostSubject: Re: Breva 1100 exhaust mod   Breva 1100 exhaust mod - Page 2 Icon_minitime1Mon Sep 30, 2019 3:08 pm


Yes.






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Pawel Spoon
Squinternotto
Squinternotto
Pawel Spoon

Posts : 9
Join date : 2021-08-06

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PostSubject: Re: Breva 1100 exhaust mod   Breva 1100 exhaust mod - Page 2 Icon_minitime1Fri Aug 06, 2021 5:10 am

melonman wrote:
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looks great !
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voulga77
Don Abbondio
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voulga77

Posts : 111
Join date : 2014-08-26

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PostSubject: Re: Breva 1100 exhaust mod   Breva 1100 exhaust mod - Page 2 Icon_minitime1Fri Aug 06, 2021 11:42 pm

melonman wrote:
Just tried exhaust again with baffle in and the bike did not cut out.
Once warmed up it dropped to 800 rpm and ran rough but at least some improvement.altering the baffle later see if that helps then maybe a butterfly valve in the link pipe so i can alter flow of gases.
Thanks craig

What you did to your stock exhaust is a nice work but I believe is counterproductive. Adding a butterfly valve will make it even worse.
I was chatting with the Mistral guy a few years ago. He said that, as a general rule, Guzzi engines need long pipes to work well.

So, I would put your nicely modded can on the shelf and would get a good aftermarket. There's plenty really nice exhaust out there.
Want to free the wheel? Make a high pipe, like for the GRiSO.

Get inspired: [You must be registered and logged in to see this link.]
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Oz1200Guzzi
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Oz1200Guzzi

Posts : 5367
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Age : 66

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PostSubject: Re: Breva 1100 exhaust mod   Breva 1100 exhaust mod - Page 2 Icon_minitime1Sat Aug 07, 2021 12:04 am

Getting one of those would cost you more than rocking horse shit - the polished versions. While that is a great exhaust, I believe it is NLA. It does sound awesome and needs a good map. It's a 2 into 2 into 2, I think.

Forget the trumpets and the ECU is woeful, if you happen to find one
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melonman
Tanabuso
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melonman

Posts : 96
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PostSubject: Re: Breva 1100 exhaust mod   Breva 1100 exhaust mod - Page 2 Icon_minitime1Sat Aug 07, 2021 12:28 am

Hi
All valid comments and thanks.
My breva still has the collector box in place which i believe is were most of the wxhaust magic happens.i have a beetle map on the bike which after mark tweaked several times runs as sweet as.
I have no low down jerking smooth smooth torque right across the rev range and for me ample top end.the bike will cruise all day fully loaded and 2 up.so for me , i am more than happy and i like the side view Very Happy
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lcjohnny
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PostSubject: Re: Breva 1100 exhaust mod   Breva 1100 exhaust mod - Page 2 Icon_minitime1Sat Aug 07, 2021 1:11 am

melonman wrote:
Hi
i have a beetle map on the bike which after mark tweaked several times runs as sweet as.
I have no low down jerking smooth smooth torque right across the rev range and for me ample top end.the bike will cruise all day fully loaded and 2 up.so for me , i am more than happy and i like the side view Very Happy
flower
Well then that is a result

Also i am impressed with being able to keep a centre stand and i think that the pipes are quite pretty
Thumbs Up  Thumbs Up
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beetle
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beetle

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PostSubject: Re: Breva 1100 exhaust mod   Breva 1100 exhaust mod - Page 2 Icon_minitime1Sat Aug 07, 2021 1:15 am


FIGJAM

Cool




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melonman
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melonman

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PostSubject: Re: Breva 1100 exhaust mod   Breva 1100 exhaust mod - Page 2 Icon_minitime1Sat Aug 07, 2021 3:55 am

Come on mark , i think i get fuel injection guru but the rest ????
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melonman
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melonman

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PostSubject: Re: Breva 1100 exhaust mod   Breva 1100 exhaust mod - Page 2 Icon_minitime1Sat Aug 07, 2021 3:57 am

Also strange how this thread got resurected from a couple of years back...
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melonman
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melonman

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PostSubject: Re: Breva 1100 exhaust mod   Breva 1100 exhaust mod - Page 2 Icon_minitime1Sat Aug 07, 2021 4:01 am

Just come back from 1700 mile tour of scotland and the breva was faultless.
Fuel average was 51mpg.that was done the old way of divide fuel used by miles done as my trip screen gave up 2 years ago.
This bike loves the twisties and the hills.just got some 1200 sport bar risers to try for next year and maybe a tail tidy project over winter.
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voulga77
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voulga77

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PostSubject: Re: Breva 1100 exhaust mod   Breva 1100 exhaust mod - Page 2 Icon_minitime1Sat Aug 07, 2021 4:29 am

All the exhaust thing is so intriguing!

Is it not?
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melonman
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melonman

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PostSubject: Re: Breva 1100 exhaust mod   Breva 1100 exhaust mod - Page 2 Icon_minitime1Sat Aug 07, 2021 5:12 am

Very
I have a second stock pipe.
A S/S venom
A delkavic
They all have there own merits.
Delkavic sounds the muts nuts but i hate the look of it.
Venom needs a baffle.
My shortened stock doesnt sound the best but runs great and i like the look
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voulga77
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PostSubject: Re: Breva 1100 exhaust mod   Breva 1100 exhaust mod - Page 2 Icon_minitime1Sat Aug 07, 2021 5:18 am

Ok, let me place a question then...

WHY for the same engine, Guzzi puts the colostomy bag for in some models and does not in others?

For example, 2V models: Breva 850/1100 colostomy bag
                                    Breva 1200/1200sport, no bag

                   4V models: 1200sport, colostomy bag
                                     GRiSO/stelvio, no bag


Replacing the the colostomy bag with the Y pipe is a very popular mod (as is the "k&N" airfilter...) but is it actually a good thing to do?
Isn't that for some models should stay in place?


Last edited by voulga77 on Sat Aug 07, 2021 5:33 am; edited 1 time in total
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melonman
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PostSubject: Re: Breva 1100 exhaust mod   Breva 1100 exhaust mod - Page 2 Icon_minitime1Sat Aug 07, 2021 5:23 am

I may be wrong here...
But the bag on the breva has the cat inside , i think the 1200 sport/norge etc have the cat in the silencer, maybe
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melonman
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PostSubject: Re: Breva 1100 exhaust mod   Breva 1100 exhaust mod - Page 2 Icon_minitime1Sat Aug 07, 2021 5:25 am

I have thought of getting a crossover pipe for the breva but not sure if that may complicate matters even more with a short pipe ?
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melonman
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PostSubject: Re: Breva 1100 exhaust mod   Breva 1100 exhaust mod - Page 2 Icon_minitime1Sat Aug 07, 2021 5:27 am

I would love to run my delkavic tucked under were the bag is but i think it would effect the running of the bike , which is a sacrifice i wont make.
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melonman
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PostSubject: Re: Breva 1100 exhaust mod   Breva 1100 exhaust mod - Page 2 Icon_minitime1Sat Aug 07, 2021 12:20 pm

[You must be registered and logged in to see this image.]
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melonman
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PostSubject: Re: Breva 1100 exhaust mod   Breva 1100 exhaust mod - Page 2 Icon_minitime1Sat Aug 07, 2021 12:21 pm

Few pics of my delkavic
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melonman
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PostSubject: Re: Breva 1100 exhaust mod   Breva 1100 exhaust mod - Page 2 Icon_minitime1Sat Aug 07, 2021 12:22 pm

This exhaust sounds the muts
But never liked the look of it.
Opinions ????

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Oz1200Guzzi
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PostSubject: Re: Breva 1100 exhaust mod   Breva 1100 exhaust mod - Page 2 Icon_minitime1Sat Aug 07, 2021 4:06 pm

melonman wrote:
I may be wrong here...
But the bag on the breva has the cat inside , i think the 1200 sport/norge etc have the cat in the silencer, maybe

The Sport muffler does have the cat in the muffler, plus the internal design (of the muffler) is a Z-fold and you can do nothing about it. Aftermarket can help with the right map.
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Pawel Spoon
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PostSubject: Re: Breva 1100 exhaust mod   Breva 1100 exhaust mod - Page 2 Icon_minitime1Thu Sep 16, 2021 8:32 am

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finally found an aftermarket exhaust that looks almost as neat as yours:
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ordered it with hard db killer and sound is good, not too loud
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Pawel Spoon
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Pawel Spoon

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PostSubject: Re: Breva 1100 exhaust mod   Breva 1100 exhaust mod - Page 2 Icon_minitime1Thu Sep 16, 2021 9:03 am

melonman wrote:
This exhaust sounds the muts
But never liked the look of it.
Opinions ????


looks cheap, or better said: it looks selfmade, while your selfmade looks professional
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