997 Turbo / GT2 2006–2012 Turbo discussion on the 997 model Porsche 911 Twin Turbo.
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Which exhaust with GIAC tune?

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Old Mar 1, 2007 | 07:34 AM
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Which exhaust with GIAC tune?

Don't beat up on me for another exhaust question. The exhaust posts are mosty with a stock tune.

What's the story with different exhausts with the GIAC 93 octane tune? I want the power of course, but its a daily drive for me so I don't want it too loud. Thanks to all. Vincy
 
Old Mar 1, 2007 | 09:22 AM
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I posted in the other thread our testing with the FS and the various stages of tuning.
 
Old Mar 1, 2007 | 12:50 PM
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EVO used the Milltek in their development with GIAC and it's the system they generally supply. -Pete, Stratmosphere. 1.866.533.1777
 
Old Mar 1, 2007 | 01:35 PM
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Joe-

Actually, when GIAC needed a muffler system for 997TT testing, they used ours.

Have a look at this page for further details.

http://giacusa.com/program997tt.php

Here is the link to our site with more info.

http://www.awe-tuning.com/pages/shar...L=997ttmuffler


 
Old Mar 1, 2007 | 01:37 PM
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Quote from the GIAC website:

"The latter phase of software development incorporated the testing of an aftermarket performance exhaust provided by AWE ( www.AWE-Tuning.com ). Fine tuning with this product produced significant improvements in EGTs. The lower EGTs are important in maximizing the serviceable life of the turbos. Backpressure also dropped from approximately 8 psi down to a low 3.5 psi."
 
Old Mar 1, 2007 | 05:10 PM
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So EVO tested one exhaust, AWE another and I another. All three of our compaines were key in development on the 997TT software. That I am sure we will all agree on.
 
Old Mar 1, 2007 | 06:04 PM
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Thanks to all.

Thank you to all, it sounds like all work well with the GIAC chip.
 
Old Mar 1, 2007 | 11:25 PM
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Old Mar 2, 2007 | 12:04 PM
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Old Mar 2, 2007 | 12:11 PM
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Hey, my mistake then if I'm wrong. I guess I heard wrong from Todd and the gang. AWE is a great group and I'm sure the software is top notch as a result. -Pete, Stratmosphere
 
Old Mar 2, 2007 | 03:07 PM
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Like I said, there were three main key players in the development. We all used and tuned on various equipment and complied the results to what we have today. As Todd posted from the site here is the cert from GIAC sites.

We found when working with FS that the EGTs the system tested dropped 110C. I will look, I still have the data logs from that testing. We also saw abotu 1.25-1.5 BP at WOT-Redline.

<TABLE cellSpacing=3 cellPadding=3 width="100%" border=0><TBODY><TR><TD>AWE-Tuning, Evolution Motorsports and Imagine Auto all played critical roles in developing the 91 and 93 octane programs.
</TD></TR><TR><TD>AWE-tuning (www.AWE-Tuning.com) worked with GIAC extensively on testing GIAC 93-octane software with the AWE high-flow exhaust on their in-house 997TT. This testing was performed on AWE's in-house 4WD Mustang dyno. . Gains on 93 octane (93 octane is the recommended minimum by the factory) had proven much higher than 91 octane especially with the AWE exhaust system. Extensive EGT and knock data were monitored to develop the mappings appropriate for 93 octane.
Evolution Motorsports (www.EVOMS.com) played a crucial role in testing GIAC software in their in-house 997TT under extreme conditions for both 91 and 93 octane programs. The new technology of the new 997TT with its variable vein turbos warranted extensive testing of the new GIAC software. As always, it is important to us to release a product that would prove both reliable and powerful and measure up to our long history of reliable winning programs. Todd Zuccone of Evolution Motorsports tracked their 997TT at times as fast as 11.3 sec @125 MPH in the ¼ mile during development. Evolution Motorsports has tested numerous parts with various GIAC programs to provide combinations that will thrill and provide the power that the community expects from GIAC and Evolution Motorsports.
Imagine Auto (www.ImagineAuto.com ) was also a major contributor to testing the 91-octane GIAC program on their 997TT via road as well as their in-house Mustang 4WD dyno. Hours of testing were performed with turbo-back exhausts and headers. EGT data and other performance parameters were monitored and evaluated to develop the most powerful combination of hardware possible.
</TD></TR></TBODY></TABLE>
 
Old Mar 2, 2007 | 04:32 PM
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