Author Topic: Pipe deformation, significant?  (Read 3207 times)

Offline andrewsw

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Pipe deformation, significant?
« on: September 22, 2006, 02:58:08 PM »
I was poking around my bike today and i noticed some deformation of the pipes that I hadn't seen before (ah, the joys of discovering everything wrong with a new bike). There are a variety of dents and dings here and there on the pipe, nothing real significant in my eyes, though of course they probably have a cumulative effect. There are, however some fairly significant "flattened" areas on the lower side of the pipes from 1 and 2 right before they come into the first collector (yosh 4-2-1). it looks like the pipe has been slightly crushed with a flatness of up to maybe 3/4 to 1" wide tapering both fore and aft over a total length of 4 or 5 inches.

Is this signicant, in your opinions? I can take some pictures and post them up if it'll help.

if it is significant, is it repairable? or would i have to get someone to bend and weld up new pipes?

thanks

A

Offline PitterB4

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Pipe deformation, significant?
« Reply #1 on: September 22, 2006, 03:18:02 PM »
I’m far from expert on this but will throw out my opinion.  I doubt it matters even a little.  If you were to see the inside the collector of the stock pipes in comparison to that Yosh you’d laugh hysterically.  Even with a ding here and a flatspot there… you’re still moving SO much more volume than stock it’s silly.  The stock pipes are like a maze in the collector.  I’m sure the Yosh has nothing in there that you can’t see from the outside.  Although I realize there’s a big difference in pre-collector vs. out near the can but I asked a similar question when I wanted to put my M4 can with a 2” inlet on my 2.125” V&H pipes with a custom reduced mid.  Everyone said it would be good and I was real happy with it when I did it.  Like I said, that’s just my semi-informed opinion…
Rob
Bikeless!
'93 Bandit 400 - SOLD
'98 Honda F3 Track Bike - SOLD
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'00 Gary Fisher Kaitai
'09 Bianchi Via Nirone 7

Offline andrewsw

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Pipe deformation, significant?
« Reply #2 on: September 22, 2006, 03:26:47 PM »
Quote
that’s just my semi-informed opinion


hey, semi-informed is better that my mostly ill-informed :grin:

thanks

A

Offline PitterB4

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Pipe deformation, significant?
« Reply #3 on: September 22, 2006, 03:51:49 PM »
If ignorance is bliss and a little knowledge is dangerous, I'm usually happy and harmless!
Rob
Bikeless!
'93 Bandit 400 - SOLD
'98 Honda F3 Track Bike - SOLD
'98 Kawi ZX-6R Street Bike - SOLD
NESBA #87 - RETIRED
'00 Gary Fisher Kaitai
'09 Bianchi Via Nirone 7

Offline interfuse

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Pipe deformation, significant?
« Reply #4 on: September 22, 2006, 05:48:24 PM »
I have the same exhaust and my pipes are also dented on the bottom. As far as I know they came like that.
Mike

'91 GSF400
It's more fun to ride a slow bike fast than a fast bike slow.

Offline andrewsw

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Pipe deformation, significant?
« Reply #5 on: September 22, 2006, 06:56:51 PM »
huh. interesting. are the scrapes on the flat spot stock too?  :lol:

seriously though, thanks.

A

Offline interfuse

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Pipe deformation, significant?
« Reply #6 on: September 22, 2006, 09:39:23 PM »
LOL stop driving over parking blocks!
Mike

'91 GSF400
It's more fun to ride a slow bike fast than a fast bike slow.

Offline andrewsw

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Pipe deformation, significant?
« Reply #7 on: September 22, 2006, 11:31:25 PM »
from the rough landings on those wild ass B4 wheelies!! woot!