The end of under-tail exhausts? - Triumph Forum: Triumph Rat Motorcycle Forums
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post #1 of 23 (permalink) Old 11-23-2012, 05:28 AM Thread Starter
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The end of under-tail exhausts?

Stumbled across an interesting article so I thought I'd share -

It seems most motorcycle manufacturers are moving away from under-tail exhausts. They never really made much sense but I still like 'em.
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post #2 of 23 (permalink) Old 11-23-2012, 05:33 AM
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I know exactly what you mean. They don't make any sense, but I do love the look of an underseat exhaust. In fact I'm currently looking for a 2010-11 daytona 675 to replace the Sprint ST 1050.

Yep, I have a thing for them.
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post #3 of 23 (permalink) Old 11-23-2012, 06:25 AM
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They have only one plus point. They're cool.

Everything else about them is negative and detrimental.

Still I tend to think cool wins out most of the time but it's never too bad a thing when fahsions change, theres nothing less cool than something everyones got.

Ever thought this forum might be a lot less random if any of us actually read the contents of each others posts?

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post #4 of 23 (permalink) Old 11-23-2012, 07:36 AM
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It's natural for us to like under tail exhaust because we are built that way too...
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post #5 of 23 (permalink) Old 11-23-2012, 08:09 AM
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I'm really diggin this style but will probably see it more and more.

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post #6 of 23 (permalink) Old 11-23-2012, 09:03 AM
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Originally Posted by spank86 View Post
They have only one plus point. They're cool.
Far from cool! In our summer months (November thru April), the amount of heat that radiates off the rising link pipe on my Daytona 675 literally begins to fry my inside leg. I for one am glad the fashion is changing...

Last edited by DeanRider; 11-23-2012 at 09:06 AM.
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post #7 of 23 (permalink) Old 11-23-2012, 03:25 PM
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Originally Posted by Irishguy View Post
It's natural for us to like under tail exhaust because we are built that way too...
Not bad Irish.

"By looking at the difference between perceived danger and actual danger, you can fundamentally change your reaction." Chris Hadfield.
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post #8 of 23 (permalink) Old 11-23-2012, 04:32 PM
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They definitely raise the center of gravity.
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post #9 of 23 (permalink) Old 11-24-2012, 01:54 AM
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I dig the exhaust on the Kawasaki Versys and now the Panigale has a version of it. Down low at the bottom of the bike. The Panigale raised the level of quality in the looks department substantially tho.



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post #10 of 23 (permalink) Old 11-24-2012, 02:27 AM
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While at Barber hob knobbing with the Triumph blokes on the Monday after the vintage event, they had a 2013 Daytona R there, had a low exhaust on it, was still being developed though, it was just the inner skin, didn't have the outer on it yet. I was told it was still under development.

EDIT: - Just found a 9 day old pic of it on a search...

With all the changes, the Daytona 675 and 675 R are 3-lbs. lighter than the 2012 wet weight of 407 lbs., and have two extra base horsepower, bringing the max power up to 126 hp @ 12,600 rpm.

Speaking of the new engine, Triumph says "the key change is the wider bore and shorter stroke dimensions, allowing a higher 14,400rpm rev limit to gain more power and a broader spread of usable revs. Facilitating this is the new block, separate from the upper crankcase and with ceramic coated aluminum bores so it can be made stronger to cope with the higher pressures. Power is up 2bhp to 126bhp, peaking earlier at 12,600rpm and revving on for longer. The torque maximum is 2ft.lbs higher at 55.3lb.ft, with an increase across the rev range."

Also aiding in this increased power are new twin injectors per cylinder, reshaped titanium valves that allow for higher revving, a larger intake that flows "air straight into the center of the bike, right through the headstock, and as a major bonus this increases the quality and volume of the signature three-cylinder snarling intake roar for the rider."
Gotta love intake manifold roar.


Last edited by dogtired; 11-24-2012 at 02:35 AM.
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