R1200S Akrapovic exhaust wanted

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Dids
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R1200S Akrapovic exhaust wanted

Postby Dids » Sat Dec 04, 2021 6:30 pm

Thinking of treating my R1200S to an Akrapovic exhaust for Xmas... :santa:
I'm looking for the full Monty - header pipes 'n all.
Actually the header pipes don't need to be Akrapovic, any quality de-cat headers would be fine.
If there are any out there do let me know... :reindeer:

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jeznewsome
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Re: R1200S Akrapovic exhaust wanted

Postby jeznewsome » Sat Dec 04, 2021 7:27 pm

while you're at it can you find one, amongst the unicorns and hens teeth, for an HP2 :lol:

Dids
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Re: R1200S Akrapovic exhaust wanted

Postby Dids » Sun Dec 05, 2021 12:26 pm

Sure, how many do you want?

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popsky
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Re: R1200S Akrapovic exhaust wanted

Postby popsky » Sun Dec 05, 2021 8:22 pm

Good luck Dids.

Just for info purposes the full Akra system tail pipe will only fit the full system whereas the Akra slip on silencer will fit any headers made to fit the standard tail pipe.
Phil.

R1200S and loving it !

Hoch Bergstraßenjäger…………………………………

Dids
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Re: R1200S Akrapovic exhaust wanted

Postby Dids » Sun Dec 05, 2021 8:52 pm

Cheers Phil, I was totally unaware of that.
Could have been an expensive mistake...

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popsky
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Re: R1200S Akrapovic exhaust wanted

Postby popsky » Sun Dec 05, 2021 9:05 pm

Just a thought but you could possibly get a set of decat headers for a 07 GS and have them modified to fit the standard link pipe on the 12S then you’d be halfway there. The do come up on eBay more readily than anything for the 12S.
I’d say the headers would be more difficult to acquire than the silencer but only marginally as rocking horse poo is rare whatever the flavour
Phil.

R1200S and loving it !

Hoch Bergstraßenjäger…………………………………

Dids
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Re: R1200S Akrapovic exhaust wanted

Postby Dids » Mon Dec 06, 2021 11:13 am

Thanks Phil, I'm starting to realise how much I don't know about the R1200S & Akrapovic situation...

Madmax
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Re: R1200S Akrapovic exhaust wanted

Postby Madmax » Mon Dec 06, 2021 6:33 pm

The 07 gs pipes are much smaller diamiter. I bought some thinking that. They dont fit.
12s headers are 57mm. Gs are 52mm.
So ive de-cated std & going for a zard can.
Tomorrow is the first day of the rest of your life

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popsky
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Re: R1200S Akrapovic exhaust wanted

Postby popsky » Mon Dec 06, 2021 7:10 pm

Thanks for clearing that up, I’ve often wondered if it would have been possible to do but obviously not :|
Phil.

R1200S and loving it !

Hoch Bergstraßenjäger…………………………………

Madmax
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Re: R1200S Akrapovic exhaust wanted

Postby Madmax » Mon Dec 06, 2021 7:28 pm

Shame as i like the swept back of the gs.
Tomorrow is the first day of the rest of your life

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WilyECoyote
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Re: R1200S Akrapovic exhaust wanted

Postby WilyECoyote » Thu Jan 27, 2022 5:46 pm

Madmax wrote:12s headers are 57mm. Gs are 52mm.


Could it be a typo? I just walked to my garage and measured the outside diameter of the OEM, the HPE and the Ti Remus headers are all 50 mm, and the Ti Akrapovic headers 46 mm. :?
'09 HP2S, '07 R1200S

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Blackal
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Re: R1200S Akrapovic exhaust wanted

Postby Blackal » Thu Jan 27, 2022 6:59 pm

WilyECoyote wrote:
Madmax wrote:12s headers are 57mm. Gs are 52mm.


Could it be a typo? I just walked to my garage and measured the outside diameter of the OEM, the HPE and the Ti Remus headers are all 50 mm, and the Ti Akrapovic headers 46 mm. :?


Has he quoted the ID - as being 57mm?
If I am ever on life support - Unplug me......
Then plug me back in..........

See if that works .....
:?

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WilyECoyote
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Re: R1200S Akrapovic exhaust wanted

Postby WilyECoyote » Thu Jan 27, 2022 8:44 pm

Boxertrix 4.jpg
Boxertrix 4.jpg (275.72 KiB) Viewed 3810 times


OEM R1200S exhaust ID is ±48mm and so is the Remus.

Akrapovic ID is ±40mm at the head, expanding to 50mm at the connection with the two-in-one. Earlier today I measured the OD about midway between the head and the 2-in-1.
'09 HP2S, '07 R1200S

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WilyECoyote
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Re: R1200S Akrapovic exhaust wanted

Postby WilyECoyote » Fri Jan 28, 2022 4:35 am

I did not realize before today that Akrapovic was using a Venturi tube in the Titanium R1200S manifold.

Easy explanation of the Venturi principle here (less than 5 minutes): https://youtu.be/oUd4WxjoHKY
'09 HP2S, '07 R1200S

Dids
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Re: R1200S Akrapovic exhaust wanted

Postby Dids » Mon Jan 31, 2022 3:40 pm

I originally posted on 4th December and am now the proud owner of an Akrapovic end can complete with Bos decat header pipes.
I bought these from Dave the German (Cheers Dave :thumbup: )
I'm chuffed to bits with the looks + sound and there also seems to be a performance increase too.
While I'm totally happy with all this I'm wondering whether I maybe need to have a remap done?
I'm assuming that the Lambda Sensors will make a reasonable job of altering the fuelling now that the catalytic convertor is gone and the end can has changed?
Anyone have an opinion on whether it's worth getting a remap?
Cheers


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