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Old 05-12-2013, 11:36 PM   #481
DoWorkSon
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Quote:
Originally Posted by ebrabaek View Post
Ha ha.... Good catch Lukas.... Yes you are most definitely right...... Two Brothers.... White Bros.. are still in business in Grand Junction Colorado.... most in the mountain bike scene.
Thanks again.
I got the two-brothers for my 800. It's very nice, light, and loud. Had to get their db killer because it was too loud. About half the width and weight of stock muffler. Also a fraction of price from Remus or akropovic.
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Old 05-13-2013, 07:22 PM   #482
cesracing
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F650 F800 Exhaust Header Pipes + system

I have just finished custom headers + system for my BMW650 (twin).
Have dyno sheets from tuning afterwards. 18% more torque, 13% more power. Polished 304 stainless. Sound whilst cruising nice, wide open throttle has really nice bark. Better fuel economy. Have pictures will post when learn how (new to forums...) Saves 4.5 kgs in weight.

Quote:
Originally Posted by moto73 View Post
I searched but couldn't find any threads on Exhaust Pipes for the F800GS, so..... let's talk exhaust pipes... Akrapovic? Remus? AC Schnitzer? Others? Seeing some performance data would be great, rider reviews too. I'd be looking for improved performance, and a nice growl of course. If you have pipes, maybe throw 'em up on Youtube . Sound clips would be most excellent! ..... Pictures too
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Old 05-13-2013, 07:25 PM   #483
ebrabaek
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Might be some useful info here....

http://advrider.com/forums/showthread.php?t=861778
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Old 05-15-2013, 12:35 PM   #484
Gangplank
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Quote:
Originally Posted by cesracing View Post
I have just finished custom headers + system for my BMW650 (twin).
Have dyno sheets from tuning afterwards. 18% more torque, 13% more power. Polished 304 stainless. Sound whilst cruising nice, wide open throttle has really nice bark. Better fuel economy. Have pictures will post when learn how (new to forums...) Saves 4.5 kgs in weight.
Seriously? 13% more.... you might want to post a dyno chart to go with that claim.
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Old 05-15-2013, 12:39 PM   #485
ebrabaek
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Originally Posted by Gangplank View Post
Seriously? 13% more.... you might want to post a dyno chart to go with that claim.
... I didn't dare ask....
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Old 05-15-2013, 12:58 PM   #486
bxr140
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Originally Posted by Gangplank View Post
Seriously? 13% more.... you might want to post a dyno chart to go with that claim.
Prolly not peak numbers but rather max delta--likely at or near redline.
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Old 05-15-2013, 08:22 PM   #487
cesracing
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Dyno Chart F650 (800)

Quote:
Originally Posted by Gangplank View Post
Seriously? 13% more.... you might want to post a dyno chart to go with that claim.

The reason why we upgraded the exhaust + tune..is because of an engine vibration problem (in hot weather i.e. Qld) Local BMW seemed unable to rectify. The Motorcycle after exhaust + tuning is a complete different bike to ride (more torque, enjoyable, less fuel/using less throttle opening). All good. Before these mods. it would struggle at 175 kmh now it will easily go up to 200 kmh. Used our motor racing knowledge for the design of the headers. Endeavouring to upload photos.. (learning).
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Old 05-17-2013, 07:04 PM   #488
wortho
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Originally Posted by cesracing View Post
The reason why we upgraded the exhaust + tune..is because of an engine vibration problem (in hot weather i.e. Qld) Local BMW seemed unable to rectify. The Motorcycle after exhaust + tuning is a complete different bike to ride (more torque, enjoyable, less fuel/using less throttle opening). All good. Before these mods. it would struggle at 175 kmh now it will easily go up to 200 kmh. Used our motor racing knowledge for the design of the headers. Endeavouring to upload photos.. (learning).
Any chance you could upload pics to flickr, Picasa or similar and just include the link?
Cheers
Mark
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Old 05-17-2013, 07:54 PM   #489
73datsun
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F700, not an 800, but you get it.

Two Brothers M2 VALE carbon fiber slip on. 3lbs vs 11lbs OEM





I dig it. Sorry for the terrible lighting. I'll take better pics in daylight.
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Old 05-18-2013, 01:01 PM   #490
D K
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Quote:
Originally Posted by cesracing View Post
I have just finished custom headers + system for my BMW650 (twin).
18% more torque, 13% more power.


I havent seen anything that makes more than 5hp yet personally....
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Old 05-18-2013, 02:44 PM   #491
JRose
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Quote:
Originally Posted by 73datsun View Post
F700, not an 800, but you get it.

Two Brothers M2 VALE carbon fiber slip on. 3lbs vs 11lbs OEM





I dig it. Sorry for the terrible lighting. I'll take better pics in daylight.
How loud? I've heard the 2B are a little obnoxious.
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Old 05-18-2013, 03:07 PM   #492
73datsun
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Hard to define obnoxious. Guess it's on personal preference.

It's not squid/sport bike or Harley loud. It has a bark at start up. But mellows out at speed/under load.


Here's a random video I found googling. Seems on par with the LV.

http://www.youtube.com/watch?v=3x6AQGgrNXI
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Old 05-18-2013, 03:09 PM   #493
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complete system manifolds and exhaust
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Old 05-18-2013, 08:22 PM   #494
Bumbobee
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I like that two brothers exhaust, it looks and sounds sweet. My only problem with it is that the website says it needs to be repacked every 3000 miles?

wtf?
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Old 05-18-2013, 08:41 PM   #495
ebrabaek
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Originally Posted by Bumbobee View Post
I like that two brothers exhaust, it looks and sounds sweet. My only problem with it is that the website says it needs to be repacked every 3000 miles?

wtf?
Unless they use crappy glass insulation, Id say easy 3-5 years, and then perhaps then some....
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