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

Exhaust size for new 3076 turbos

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Old Nov 9, 2012 | 11:40 AM
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Exhaust size for new 3076 turbos

Hi all
Fitting tial 3076s turbos - will a 2.5inch catalys exhaust be sufficient to handle them or do I need to "upgrade" the exhaust to 3inch?
Andy
 
Old Nov 9, 2012 | 11:48 AM
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if you want everything out of them go with 3"

backpressure is the devil
 
Old Nov 9, 2012 | 11:51 AM
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What are we talking about as far as the difference - cos it is an expense I hadn't initially budgeted for? Not going to be running more than 1.2bar boost at the moment.
 
Old Nov 9, 2012 | 11:55 AM
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Originally Posted by Andy Garcia
What are we talking about as far as the difference - cos it is an expense I hadn't initially budgeted for? Not going to be running more than 1.2bar boost at the moment.

sounds like you want people to tell you what you want to hear

truth is 30s will benefit greatly from a nice catless 3" exhaust in both spool and top end power.
 
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Old Nov 9, 2012 | 12:22 PM
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god it does not stop!!!!!!!!!!!!!!!!!!!!!!
 
Old Nov 9, 2012 | 01:46 PM
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Originally Posted by TiALSport
if you want everything out of them go with 3"

backpressure is the devil
Hi,Since you are on here...
Does your 3071s or 3076s come with the new GTX style wheels,and what are the housing sizes of those ones that fit on the stock exhaust manifolds? Thanks
 
Old Nov 9, 2012 | 01:56 PM
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Originally Posted by johnspeed
Hi,Since you are on here...
Does your 3071s or 3076s come with the new GTX style wheels,and what are the housing sizes of those ones that fit on the stock exhaust manifolds? Thanks
no they don't

we do not make that info public, it's optimized for porsche
 
Old Nov 9, 2012 | 10:25 PM
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Originally Posted by TiALSport
if you want everything out of them go with 3"

backpressure is the devil
Hahaha back pressure is the devil is a great line
 
Old Nov 9, 2012 | 11:44 PM
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Originally Posted by TiALSport
no they don't

we do not make that info public, it's optimized for porsche
 
Old Nov 10, 2012 | 04:06 PM
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Originally Posted by TiALSport
no they don't

we do not make that info public, it's optimized for porsche
Lame
 
Old Nov 10, 2012 | 04:17 PM
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Originally Posted by ant_8u
Lame
Apparently it's only optimized for 800whp on the 996TT....
 
Old Nov 10, 2012 | 05:26 PM
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Originally Posted by vntperformance
Apparently it's only optimized for 800whp on the 996TT....
Although I prefer external WG set ups, 800whp is plenty on a direct replacement set up... I doubt that any of those who buy them even hit 700whp due to engine limitations... just a thought...
 
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Old Nov 10, 2012 | 05:31 PM
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Originally Posted by MARKSKI@911tuning
Although I prefer external WG set ups, 800whp is plenty on a direct replacement set up... I doubt that any of those who buy them even hit 700whp due to engine limitations... just a thought...
You always have to try and "one-up" someone....
 
Old Nov 10, 2012 | 05:46 PM
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Originally Posted by vntperformance
You always have to try and "one-up" someone....
I really don't understand... its the truth... I agree that they are good for 800whp and anything above that I suggest gt35s... but lets give tial some credit as they are still the only company that has a direct replacement ball bearing turbo set up in 3 formats... I know the A/R size on those A3076s.. and I agree that external Wg 30rs with a .82s will pull harder...
 
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Old Nov 10, 2012 | 07:01 PM
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Originally Posted by MARKSKI@911tuning
I really don't understand... its the truth... I agree that they are good for 800whp and anything above that I suggest gt35s... but lets give tial some credit as they are still the only company that has a direct replacement ball bearing turbo set up in 3 formats... I know the A/R size on those A3076s.. and I agree that external Wg 30rs with a .82s will pull harder...
https://www.6speedonline.com/forums/...1-2-bar-3.html

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