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

0.9 bar with just after market mufflers is that a Good thing

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Old Feb 23, 2006 | 03:42 PM
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0.9 bar with just after market mufflers is that a Good thing

Stock boosts at 0.7 bar, and then we added the B&B gt mufflers it boosted at 0.9 bar is that good for a STOCK TURBO with just a muffler upgrade?
 
Old Feb 23, 2006 | 03:45 PM
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Originally Posted by MeanMachine
Stock boosts at 0.7 bar, and then we added the B&B gt mufflers it boosted at 0.9 bar is that good for a STOCK TURBO with just a muffler upgrade?
Is normal ,because you are flowing more air now and it will spike more boost.
 
Old Feb 23, 2006 | 03:53 PM
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Originally Posted by mikejones997
Is normal ,because you are flowing more air now and it will spike more boost.
Thank you for the reply!
 
Old Feb 23, 2006 | 04:13 PM
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Originally Posted by MeanMachine
Stock boosts at 0.7 bar, and then we added the B&B gt mufflers it boosted at 0.9 bar is that good for a STOCK TURBO with just a muffler upgrade?
What does it hold across the rev range? I would assume that you "spike" to 0.9 bar for a few hundred RPM and then drop back down to 0.6-0.7 during the middle - high RPM range?
 
Old Feb 23, 2006 | 04:31 PM
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Originally Posted by Ruiner
What does it hold across the rev range? I would assume that you "spike" to 0.9 bar for a few hundred RPM and then drop back down to 0.6-0.7 during the middle - high RPM range?
Yesthats all, it drops back to 0.7 in the higher rpm range i think 0.9 is only at first gear
 
Old Feb 23, 2006 | 05:45 PM
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I noticed the same thing after I changed to a 100 cell Sportec exhaust.

I use to pull peak boost of .8 and then settle at around .6 to .7 boost.

Now I can pull peak boost of 1.0 and settle in at .7 to .8 with an X50 with the K-24's.

The turbos spool up much faster also.
 
Old Feb 23, 2006 | 05:57 PM
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Sorry for such a basic question but how do you like your B&B GT exhaust (I assume quite well).

Have you heard / had any other exhausts on the TT? If so, I'd be interested in your impressions. Thanks.
 
Old Feb 23, 2006 | 06:02 PM
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Originally Posted by russbert
Sorry for such a basic question but how do you like your B&B GT exhaust (I assume quite well).

Have you heard / had any other exhausts on the TT? If so, I'd be interested in your impressions. Thanks.
I heard the FVD one but it was quiter than the B&B, I really like the B&B Gt mufflers its the first mufflers we installed on it, btw its not my tt is a friends !...Its loud inside Cabin but we got used to it 3 days now
 
Old Feb 23, 2006 | 06:05 PM
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Originally Posted by calcareer
I noticed the same thing after I changed to a 100 cell Sportec exhaust.

I use to pull peak boost of .8 and then settle at around .6 to .7 boost.

Now I can pull peak boost of 1.0 and settle in at .7 to .8 with an X50 with the K-24's.

The turbos spool up much faster also.
Yes , you could acttually notice them more now!
 

Last edited by MeanMachine; Feb 23, 2006 at 06:09 PM.
Old Feb 23, 2006 | 06:31 PM
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Originally Posted by russbert
Sorry for such a basic question but how do you like your B&B GT exhaust (I assume quite well).

Have you heard / had any other exhausts on the TT? If so, I'd be interested in your impressions. Thanks.
Stay away from the B&B, both LeMans and GT versions. The GT version is so loud that ... just stay away from it.
 
Old Feb 25, 2006 | 01:27 PM
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We found out why the radiator got damaged, the car was parked for 2 months before installing the exhaust, and after we installed it, my friend was going v.fast and torturing the 996tt in every way untill he damaged the radiator ie cooling fan in which it can handle the pressure
The car is going to finish this wednesday , costs 1300 dollars to fix! ouch
 
Old Feb 26, 2006 | 04:26 PM
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1.0 bar here on Tip with GIAC only.

Wonder how high it can go.
 
Old Mar 21, 2006 | 07:44 PM
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1.1 bar here with 6 speed and GIAC only.
 
Old Mar 21, 2006 | 08:24 PM
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stock k16s will not produce anything higher then 1 bar sustained.... u will get spikes... but if u take it in 4rth all the way to 6K rpms.. watch ur 1.1 bar drop to 1 bar...
k24s go to 1.2 gars with a program.... but drop off to 1.1 bars as well...

do some research and get urself into a nice turbo/ecu combination....
a k24 hybrid of some some at a minimum...
Pm me I can tell u what to do...
 
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