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Twins Technical Talk Technical Talk for Hinckley Triumph Twins: Bonneville, T100, Speedmaster, America, Thruxton, and Scrambler.

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Old 08-18-2012, 12:20 AM   #81 (permalink)
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Quote:
Originally Posted by ajsimmo View Post
After a request from EasyPins, I decided to try a video clip.

Not sure how to upload it, so I've put it on Flickr here

See what you think.
I like it. Granted an iphone recording has its limitations but thorough my little computer speakers it sounds deeper and meaner than when the baffles are pulled altogether.
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Old 08-20-2012, 08:02 PM   #82 (permalink)
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i drilled holes as shown in your pics for my scrambler with arrow 2 into one. maybe two less holes. same result, not much change in sound, maybe a little. that baffle on my single pipe, looks just like your pic, after you drilled the holes. originally it had 4 holes near the stoppered end. how loud did it get? i do not like loud, but maybe still too quiet now. no idea what measure you could give me that might make sense to me. except current too quiet, baffle out too loud at over 4000 rpm or so. john
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Old 08-20-2012, 11:56 PM   #83 (permalink)
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Try drilling a hole on the stoppered end as suggested in post 11 of this thread.

Also shown on post 3 of the thread below and even confirmed by Arrow themselves to poster Scrambler007 on post 11:

http://www.triumphrat.net/twins-talk...in-or-out.html
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Old 08-27-2012, 06:09 PM   #84 (permalink)
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once again, big thanks. Tried a hole in end, could not tell difference. i cut the baffle as you indicate that you had. that makes a difference. still not too loud, nice and mellow. at this point, i would say scramblers with arrow pipes sound better with the baffle cut off. have not tried putting in larger center pipe. i think i am happy with this now.
thanks
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Old 08-31-2012, 11:24 PM   #85 (permalink)
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Hi all - I had some custom baffles made up by an exhaust shop here in Australia. They are larger than the stock Tec baffles and sound great. Much deeper sound, not as offensive as without baffles and I'm now happy with the sound coming out of the bike. The stock baffles were too quiet and slightly high pitched due to their narrow opening. For anyone that lives in Brisbane go and see the guys at Pipemasters in Bowen Hills.






Last edited by shieldsy; 08-31-2012 at 11:28 PM. Reason: photos didn't work
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Old 11-17-2012, 12:25 PM   #86 (permalink)
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I know this is an old conversation, but hope I can still get some response.

Story short, I have Arrow 2-2 system baffles removed. The sound was too loud, so I drill 4 half inch holes by the end seal on the baffles. When I install them back, the right side slide in with little force, but had to use a rubber hummer to get the left side in. It is now in there good, but wonder how I can remove it in the future....
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Old 11-17-2012, 03:02 PM   #87 (permalink)
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Quote:
Originally Posted by Shospeedmaster View Post
It is now in there good, but wonder how I can remove it in the future....
Try removing it once the exhaust system is hot, after a good run. If you do remove it ease off the high spots with a file or some emery cloth to ensure a smooth fitting.

The only other thing that occurs to me now is to make up a sort of "slide hammer" tool. It would involve a rod or heavy length of wire, hooked on the end to engage with one of the baffle holes, the other end of the rod would have to be provided with a sturdy "stop" and a sliding weight would be used to impart a hammering action.

A slide hammer:



Here's how one works:

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Old 11-17-2012, 08:57 PM   #88 (permalink)
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Forchetto, thank you for the tip. I am going to try when after a good run. The right side is always warmer than the left.....maybe it is the reason right side comes off easier?

I cannot like the sound with the baffles in, and the bike seems lost lots of hp.
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Old 11-23-2012, 03:16 AM   #89 (permalink)
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Arrow 2-1 -- AR-11005DB

Is this the larger baffle that will fit in a Scrambler Arrow 2 to 1 exaust, assuming I cut it down to about 2 inches? And, the idea is it will slide outside of the inner tube (instead of inside like the stock one)?

AR-11005DB
http://shop.alphatechnik.de/shop/ind...ducts_id=22825

EDIT:
My question was answered here:
http://www.triumphrat.net/twins-tech...baffles-3.html
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Last edited by tvscum; 11-23-2012 at 09:57 AM.
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Old 03-22-2013, 10:21 AM   #90 (permalink)
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32mm or 35mm

Forchetto
thank you very much for your information, so clear and helped me to choose proper baffle for my arrow 2in2 exhaust on my thruxton. i order 35mm as per your recomendation and they even cut down the baffles for me to 5cm! I just need to instal them in my exhaust.
My only concern is that (living in London) with new 35mm baffles the exhaust will be still too laud. I know you were saying that it is pleasant sound but you would say it is between standard baffles in and no baffles or closer to no baffles sound?
I ride with standard baffles in and it is too quite but in london with baffles out it just anoyed people around, I actually see faces of hate hence me putting standard baffles in.
I will instal my new 35mm in soon and find out but i think there is confusion here on the thread as you were talking about 35mm baffles but most of the people stating 32mm baffles (both available from supplier). so do you have 32mm or 35mm baffles? and do you think standard arrow baffles cut dow as per your recomandation are better for the city (quieter than 35mm but still nice sound )?
Thank you again
Bart
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