996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Speedtech/DGI reducer rings installed (quieter option)

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  #16  
Old 04-24-2008, 10:27 AM
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That's great news! I saw you were having some various problems and I was wondering what was going on with your car...now you can enjoy it this year, like you should be able to...
 
  #17  
Old 04-25-2008, 06:55 PM
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Update for those with quiet insert orders:
The new inserts arrived this afternoon and all orders shipped out today.

I have some additional sets available for immediate shipment, if anyone is interested...
 
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  #18  
Old 04-25-2008, 09:29 PM
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john, can these be used on any of the existing louder exhuasts for our cars to quiet down the cabin noise?
 
  #19  
Old 04-26-2008, 01:10 AM
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Unfortunately, they will not fit other exhausts.
 
  #20  
Old 04-26-2008, 05:47 AM
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Can't wait to try mine out!

Mike
 
  #21  
Old 04-26-2008, 07:35 AM
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Mike,

They're on the way...
 
  #22  
Old 04-28-2008, 11:38 AM
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Keep An Eye Out

PM Sent to you John D.
 
  #23  
Old 04-28-2008, 01:12 PM
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When I looked at the little rings, I was thinking "Tornado Fuel Saver". Was I ever wrong.
I didn't think they would make a bit of difference but they really did. The butt doesn't see any performance difference but they did take some edge off the sound. Money well spent.
BTW, I don't think they'll come out very easy.
 
  #24  
Old 04-28-2008, 01:14 PM
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I had the same thought. The appearance is a bit underwhelming, but the change in harmonics is very noticable.
 
  #25  
Old 04-28-2008, 01:31 PM
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:-)


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  #26  
Old 04-30-2008, 10:06 AM
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Thinking of making the cats removable (thanks for the suggestion John) and I think these would help bring the exhaust back to livable again. I'll keep you all updated on how it goes.
 
  #27  
Old 04-30-2008, 07:43 PM
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Installed mine last night and drove the car...

Install was more of a pain because the pipes were ovalized, and I'm not sure they'll come back out...

They work... The harmonic is only slightly changed, but it's right where you need it... Amazing... I'm impressed John. Not sure if it cost me any power or not, but it def. made a noticable (quiter) difference! Now to get some Michelin Pilots put on it to quiet her down the rest of the way!

Mike
 
  #28  
Old 05-03-2008, 03:54 AM
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Has anyone with a tiptronic car and the DGI exhaust tried these reducer rings? I seems that the rings reduce the tone & volume of the exhaust, but I'm specifically interested if there was any reduction in cabin drone from 2,000 to 2,500 rpm where some users have reported a little bit of drone with this exhaust (as these are highway rpms for my commute).
 
  #29  
Old 05-03-2008, 07:40 AM
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anybody with this exhaust have a tiptronic?
 
  #30  
Old 05-03-2008, 08:35 AM
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I have a cab & tip. Reduced drone and quieter. Well worth the money and they make the value of the exhaust even better.
 


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