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 Post subject: Gpr exhaust
PostPosted: Thu May 07, 2015 1:24 pm 
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Joined: Tue Mar 24, 2015 2:40 pm
Posts: 39
Current ride: Buell xb9sx
Location: East Sussex
Has anyone tried a gpr exhaust on a buell, looking at removing my drummer exhaust in favour of something quieter. Have also looked at torque hammer but a lot more expensive.


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 Post subject: Re: Gpr exhaust
PostPosted: Thu May 07, 2015 2:04 pm 
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Joined: Wed May 06, 2009 7:42 pm
Posts: 2651
Current ride: M2 Razorback
Location: Mouth of the Port in the Shire of Hamp
Goofy185 wrote:
Has anyone tried a gpr exhaust on a buell, looking at removing my drummer exhaust in favour of something quieter. Have also looked at torque hammer but a lot more expensive.

Have you considered an Albert? They are highly regarded.
You can contact albert666 on here by pm or take a look at his site:
http://www.aph-performance-engineering.com

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'98 M2 Razorback, it's a keeper.


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 Post subject: Re: Gpr exhaust
PostPosted: Fri May 08, 2015 6:54 pm 
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Joined: Mon Apr 09, 2012 5:48 pm
Posts: 1173
Current ride: X1, guzzi 8V,MT350
Location: yorks/lancs border
Had a GPR on my last Guzzi, very good value and quality, but it didn't vibe like a buell does so can't vouch for longevity.

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Buell X1, Guzzi 1200 sport, HD MT 350


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 Post subject: Re: Gpr exhaust
PostPosted: Fri May 08, 2015 9:43 pm 
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Joined: Tue Mar 24, 2015 2:40 pm
Posts: 39
Current ride: Buell xb9sx
Location: East Sussex
Think I am now looking more at the torque hammer and map it's getting some very good write ups and a lot of people are saying it's quieter than most other buell exhausts


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 Post subject: Re: Gpr exhaust
PostPosted: Wed May 13, 2015 7:09 am 
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Joined: Tue Mar 24, 2015 2:40 pm
Posts: 39
Current ride: Buell xb9sx
Location: East Sussex
Have contacted albert, waiting for a reply.
What map have people used with his exhaust, one of the reasons for looking at the torque hammer is you can buy there map and I can find anyone trusted to dyno it!


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 Post subject: Re: Gpr exhaust
PostPosted: Wed May 13, 2015 7:58 am 
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Joined: Wed May 06, 2009 1:55 pm
Posts: 4337
Current ride: 98 S1W
Location: Perth, not the Scottish one
I had an Albert on my XB. I never touched the mapping, which I guess was standard, ran fine.


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 Post subject: Re: Gpr exhaust
PostPosted: Wed May 13, 2015 9:28 am 
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Joined: Thu Feb 05, 2015 4:56 pm
Posts: 172
Current ride: 2005 Ulysses
Location: Scootland
If you're getting rid of the drummer, I'm looking for something a little louder on the XB. Spent a week being shown up by guzzi v11 :o Ended up just wiring the standard exhaust open to get a little more volume.

Oh as a side, wiring the exhaust valve open, when the bike was cold it was a bit of a pig, but once warmed up, no real difference in performance.


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 Post subject: Re: Gpr exhaust
PostPosted: Tue Dec 08, 2015 7:38 am 
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Joined: Sun Nov 29, 2015 5:51 pm
Posts: 315
Current ride: ktm 950 sm
Location: Shawbury
Hi, which exhaust did you go for in the end. ..


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