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Old 11-22-2008, 05:19 PM   #1
TEXASYETI OP
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G/S - ST Header pipes

I am going to take a set of headers down to my local master tube bender guy and see about having a duplicate set made.

Anyone ever done this?

I need a set and finding them used has proven to be a challenge. I see that Motobins sells them new and so does Keihan (UK) direct but they are pricey!

BMW fiche shows only one side of the black G/S pipes and while you can get both for the ST in chrome they are 220 a side! Chicago BMW might be cheaper but I am going to see what they can do locally.
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Old 11-22-2008, 05:55 PM   #2
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Replicating them isn't a challenge at all for those guys. Just send them the originals to copy from and make sure the correct gauge of metal is used. If the gauge is thinner, they may sound different (usually with a higher note).
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Old 11-23-2008, 09:40 AM   #3
SOLO LOBO
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MIght be interested in a set myself.... and btw, what's the part number of the rear fender you bought for your G/S?
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your bike is suitably dirty. Well done.
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Old 11-23-2008, 12:30 PM   #4
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Quote:
Originally Posted by SOLO LOBO
MIght be interested in a set myself.... and btw, what's the part number of the rear fender you bought for your G/S?
Cool, I'll put you down for 10 sets at 400.00 per set!

Seriously though, depending on the cost - and if they can do it - I may have a few sets made. I will post the results and if you are interested let me know.

Here is the part number for the fender. Current MaxBMW price is $80.??. Not too bad if you ask me!

46621242635
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Old 11-24-2008, 01:11 AM   #5
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On a side note, am I right to say that all of the airheads Type 247 engines have 38mm headers except for the R65 which has 35mm?

Or is this too general a statement?

Cheers
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Old 11-24-2008, 01:16 AM   #6
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Not realy...

Some of the post '77' bikes had 40mm pipes and those ae very desirable bikes.
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Old 11-24-2008, 01:41 AM   #7
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Quote:
Originally Posted by TEXASYETI
but I am going to see what they can do locally.
These guys may be able to help you - in stainless steel: http://www.sr-racing.de/ (German required )
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Old 11-24-2008, 03:53 AM   #8
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Quote:
Originally Posted by Joerg
These guys may be able to help you - in stainless steel: http://www.sr-racing.de/ (German required )
Yep, very nice stuff. Expensive, of course...

Note lack of collector. They claim HP increases with no flat mid-range. Also avail in Ti.

I wonder if it makes wheel removal any harder since pipe is not tucked up as high?
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Gimmeslack screwed with this post 11-24-2008 at 04:01 AM
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Old 11-24-2008, 04:01 AM   #9
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Joerg, can you interpret?
Anyone have first-hand experience with SR?
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Old 11-24-2008, 04:29 AM   #10
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Quote:
Originally Posted by Gimmeslack
Joerg, can you interpret?
No
Quote:
Originally Posted by Gimmeslack
Anyone have first-hand experience with SR?
No personal experience, but I know a few people that have installed the SR exhaust and that are pretty satisfied with it. In a nutshell:

- the exhaust is usually sold as a complete unit, which explains the lack of the collector box. It is not "just the Y pipe" that would increase torque - anyone who would claim this has not done his homework

- If you drop by personally, the exhaust is custom-made for the specific bike and config (carb settings, camshaft, but also clearance for luggage bags etc). They do the carb fine-tuning and establish a dyno chart "before vs. after".

- It is louder ... up to the legal limit. Personally I perceive it as nice but too loud - no comparison with the BROOOoooooaaaaAAAAAPP of the good old cigar exhaust on a /7 :-)

- There are vivid discussions if their dyno charts are realistic or somewhat "influenced". Then again, many riders confirm somewhat better performance but this may be due to the sound influence ... I mean, the influence of the sound

Disclaimer: I have no connections to that company, but I trust the first-hand reports of a few people that I know ... such as this one:
http://maliwi.it/warzenpower/hpn/sr-racing-auspuff.html (again, in German, but also rather critical). Please note that, when you look as his charts, this is already a 1043-cc-engine, so don't expect miracles ...
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Old 11-24-2008, 08:07 AM   #11
SOLO LOBO
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Quote:
Originally Posted by TEXASYETI
46621242635
Thanks Yet, what is the number of the fiche page? I can't find it!
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Quote:
Originally Posted by Stagehand
your bike is suitably dirty. Well done.
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Old 11-24-2008, 09:33 AM   #12
TEXASYETI OP
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Quote:
Originally Posted by SOLO LOBO
Thanks Yet, what is the number of the fiche page? I can't find it!
I am looking at fiche number #46_0019 on the Max BMW fiche for R80g/s.

Good luck!
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Old 11-24-2008, 10:30 AM   #13
Wirespokes
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Quote:
Originally Posted by TEXASYETI
Cool, I'll put you down for 10 sets at 400.00 per set!

Seriously though, depending on the cost - and if they can do it - I may have a few sets made. I will post the results and if you are interested let me know.
46621242635
Will these be stainless?
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Old 11-24-2008, 01:17 PM   #14
SOLO LOBO
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Quote:
Originally Posted by TEXASYETI
I am looking at fiche number #46_0019 on the Max BMW fiche for R80g/s.

Good luck!
Found it, Thanks!
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Quote:
Originally Posted by Stagehand
your bike is suitably dirty. Well done.
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Old 11-24-2008, 01:20 PM   #15
Gimmeslack
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Quote:
Originally Posted by Wirespokes
Will these be stainless?

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