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Fabspeed Tubi Rennsport-1 997.2 Exhaust Review

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Old Feb 11, 2010 | 03:17 PM
  #16  
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any reviews for the 997.1?
 
Old Jun 8, 2010 | 05:12 AM
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Originally Posted by mdrums
...
I am not sure if Tubi uses packing material inside there mufflers so I will see if they sound opens up any in the next few months and track days.
...

What's your opinion on this today? Anything happened to the sound over time? Tune and/or level?

Thanks
 
Old Jun 8, 2010 | 04:24 PM
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Originally Posted by amag
Nice write up Mdrums! I currently have the Sharkwerks bypass, but I'm seriously considering the Rennsport-1 system.
Sorry to join the bandwagon of countless new 997S owners with exhaust questions, but . . . .

I notice that you have the Tubi exhaust and the Sharkwerks bypass. I'm not sure I understand how that works. I thought the Tubi exhaust eliminated the center muffler -- which in turn, would change the sound, lower the amount of flow resistance, and lower the weight. What does the bypass do?

And to add on to what Superman asked:
Originally Posted by superman77
any reviews for the 997.1?
. . . . Anyone got advice for us 997.1 owners?

Again, I apologize for the questions. I have been avidly reading every exhaust thread on this forum.
 
Old Jun 8, 2010 | 10:19 PM
  #19  
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I had the Fabspeed side muffler by pass...not Sharkwerk center muffler by pass...2 totally different things.

I still have the Tubi and it has gone through around 15+ DE's...I instruct and obviosuly run in the instructors/solo group.

The sound has not really changed and the Tubi is holding up really well. Possibly a tad bit more open past 4000rpms.
 
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