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12425 - Established June, 2013 - all GRiSO, all the time...
 
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 The comprehensive GRiSO exhaust thread....

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knumbnutz
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AuthorMessage
knumbnutz
Grignapoco
Grignapoco
knumbnutz

Posts : 120
Join date : 2018-10-31

The comprehensive GRiSO exhaust thread.... - Page 22 Empty
PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 22 Icon_minitime1Fri Jul 16, 2021 3:35 am

When i got it, It used to run rough from 3-4 to the point when you hit 4Krpm, it felt like powerband. That was with a termi.
I then bought a beetle map thinking the previous owner hadnt remapped it, but in the end it was the same beetle map. I did the usual things, checked the valves, cleaned injectors, zero'd the tps.
I wanted a different exhaust so had this made and the first thing I noticed was the midrange power started earlier at 3 not 4 and because a lot more usable as 3400-3600 was 110km/hr on the freeway and torque coming out of corners was nicer too. Side by side with two friends 1200s grisos and mine lurches forward as stays in front also the note is sharper like its running better.
The overall length of my two pipes is probably longer than a single fwiw

Pete Roper wrote:
All my research indicates that a short pipe will gut the bottom end and midrange. It's due to camming and the head design. If you have found different? OK.
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LDD
Squinternotto
Squinternotto
LDD

Posts : 7
Join date : 2014-08-22

The comprehensive GRiSO exhaust thread.... - Page 22 Empty
PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 22 Icon_minitime1Sat Jul 17, 2021 9:00 am

I fitted a straight through race can, without the db killer or baffles. Didn’t like the pops and backfires and discoloured exhaust pipes.
So went back to the standard silencer. Much happier with the performance and the engine feel.
Still have the factory mapping, and also a spare titanium race can!
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mikebr
Montanarolo
Montanarolo
mikebr

Posts : 12
Join date : 2014-01-15

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 22 Icon_minitime1Sat Aug 21, 2021 8:16 pm

Installed a new GPR Ghisa muffler with DB in.
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TheMuffinMan
Squinternotto
Squinternotto
TheMuffinMan

Posts : 5
Join date : 2021-08-16

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 22 Icon_minitime1Thu Aug 26, 2021 11:26 am

So I just bought a used 2017 GRiSO that's bone stock and need advice from the collective on exhaust setups. My plan for fueling is purchasing a Beetle map and if that doesn't get it up to snuff then maybe a power commander. My ECU cables are on the way from Lonelec already.

I like stock or slightly louder then stock but not obnoxiously so, DB killers will stay in. It's super hard to judge loudness based on youtube clips though. I had a 2009 8v with the Termi exhaust 11 years ago that was totaled in an accident so I'm familiar with that and thought it sounded decent and I liked the look but there seems to be better options then the Termi now.

I really like the look of the MassMoto 2-1-2 but from what I gather on this thread it has very poor performance qualities and is also really loud? (https://www.massmoto.it/prodotto/impianto-semi-completo-2in2-inox-hypothesis-moto-guzzi-GRiSO-1200-8v/)

I like the Arrow full titanium system (https://www.af1racing.com/Arrow-Full-Exhaust-System-for-09-17-GRiSO-1200-8V) but someone was saying it doesn't have the S-Bend at the 2-1 but the picture on the above website loos like it does or maybe I don't know what I'm looking at?

I like the look of the Agostini Hydroformed (https://www.af1racing.com/Agostini-Hydroformed-DK-Steel-Slip-On-For-MG-GRiSO) or even this Agostini slip on (https://www.af1racing.com/Agostini-Black-Steel-Slip-On-For-MG-GRiSO).

What would people recommend?
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lcjohnny
GRiSO Capo
GRiSO Capo
lcjohnny

Posts : 472
Join date : 2016-01-25
Age : 66

The comprehensive GRiSO exhaust thread.... - Page 22 Empty
PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 22 Icon_minitime1Thu Aug 26, 2021 11:59 am

I would recommend the stock exhaust with a beetle map
It is punchy and smooth and still growls well.

(And of course, valve clearances set, throttles balanced, TPS reset, autolearning reset)
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Oz1200Guzzi
Don Abbondio
Don Abbondio
Oz1200Guzzi

Posts : 5366
Join date : 2014-03-13
Age : 66

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 22 Icon_minitime1Thu Aug 26, 2021 12:12 pm

Forget Power Commander, just forget it.
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sideshowbob
GRiSO Capo
GRiSO Capo
sideshowbob

Posts : 896
Join date : 2017-08-06
Age : 66

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 22 Icon_minitime1Thu Aug 26, 2021 6:23 pm

So, you live on Drury lane then?
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TheMuffinMan
Squinternotto
Squinternotto
TheMuffinMan

Posts : 5
Join date : 2021-08-16

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 22 Icon_minitime1Thu Aug 26, 2021 7:50 pm

sideshowbob wrote:
So, you live on Drury lane then?
When I finally buy land enough to put my own private road on then I will definitely be calling it "Drury Lane". [You must be registered and logged in to see this image.] [You must be registered and logged in to see this image.]
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beetle
GRiSO Capo
GRiSO Capo
beetle

Posts : 8734
Join date : 2013-09-30

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 22 Icon_minitime1Thu Aug 26, 2021 9:08 pm


Forget the MassMoto. It doesn't do the 8V any favours.

Either Agostini will work, and I have maps for both, provided the dB killers stay in.

I have map for the full Arrow system, though it is unlisted and only available by request. I run an Arrow midpipe on my GRiSO, and can be made to work by adding a few more Unicorn sparkle-farts. It works best with the Mistral Hi-Pipe.

You will NOT need to use a Power Commander with my maps.




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drawnverybadly
Don Abbondio
Don Abbondio
drawnverybadly

Posts : 3
Join date : 2016-02-28

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 22 Icon_minitime1Sat Aug 28, 2021 1:18 pm

Does anyone have a link to an aftermarket exhaust in stock and ready to ship in the US? AF1 is saying 3 to 6 months wait and all the other usual suspects are just showing nothing in stock.
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TheMuffinMan
Squinternotto
Squinternotto
TheMuffinMan

Posts : 5
Join date : 2021-08-16

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 22 Icon_minitime1Mon Aug 30, 2021 9:19 pm

drawnverybadly wrote:
Does anyone have a link to an aftermarket exhaust in stock and ready to ship in the US? AF1 is saying 3 to 6 months wait and all the other usual suspects are just showing nothing in stock.

GuzziTech has exhausts ready to go I think.

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Steak
L'Innominato
L'Innominato
Steak

Posts : 2921
Join date : 2013-05-28
Age : 56

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 22 Icon_minitime1Sun Sep 05, 2021 10:30 am

drawnverybadly wrote:
Does anyone have a link to an aftermarket exhaust in stock and ready to ship in the US? AF1 is saying 3 to 6 months wait and all the other usual suspects are just showing nothing in stock.

What exhausts are you interested in? eBay often has well known options available, or you might try Agostini in Mandello del Lario.

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2012 MOTO GUZZI GRiSO 1200SE

2013 MOTO GUZZI STELVIO 1200NTX - Orange Blossom Special
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drawnverybadly
Don Abbondio
Don Abbondio
drawnverybadly

Posts : 3
Join date : 2016-02-28

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 22 Icon_minitime1Mon Sep 06, 2021 9:14 pm

Literally looking for anything ready to ship in the US. Not looking to get anything from overseas or Italy, I don't want to depend on global shipping right now. Even the stuff that shows as in stock on US websites is not actually in stock (surprising how many stores are actually just drop shipping) and the large diameter of the GRiSO exhaust system makes it tough to even find a universal exhaust that fits.
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Pete Roper
GRiSO Capo
GRiSO Capo
Pete Roper

Posts : 8313
Join date : 2013-05-29
Age : 64

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 22 Icon_minitime1Tue Sep 07, 2021 2:03 am

Look, I can't help you with within the US but the Termi is in stock at TLM in Holland. I use them a lot for stuff and get it shipped direct from them to customers all over the world. To the US usually takes between a week and ten days. At the rate you're going you'll waste more time trying to find something in the US. Shipping is €35 world wide. Buy it through me and I'll knock another $50 off their price.
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drawnverybadly
Don Abbondio
Don Abbondio
drawnverybadly

Posts : 3
Join date : 2016-02-28

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PostSubject: Re: The comprehensive GRiSO exhaust thread....   The comprehensive GRiSO exhaust thread.... - Page 22 Icon_minitime1Wed Sep 08, 2021 12:27 am

Thanks for the offer, I'll keep searching.
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