GMG is Southern California's Premier GIAC Flash Center.
We have partnered with GIAC to provide optimal software tuning for your Porsche vehicle. Below are the
software options we provide. Please inquire about custom software tuning or other applications.
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997 GT2
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3 Tuning Options Available

Option 1 - GIAC software tuning on stock car

Option 2 - GIAC software with GMG WC-GT exhaust and optional headers

Option 3 - GIAC software with GMG WC-GT exhaust, headers and sport intercoolers

*Higher horsepower is available with upgraded engine internals

ALL FLASHING IS DONE IN HOUSE AT GMG!!
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997 GT2
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| Year And Model |
ECU Part |
Power Gains * |
Options |
Flash Loader Compatible
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| 2008 GT2 Stock |
0261208867 |
40-70 hp and 90-110 ft-lbs |
91/100 octane/Valet/Kill/Privacy Firewall |
Yes |
| 2008 GT2 w/ exhaust |
0261208867 |
up to 680hp and 700ft lbs |
91/100 octane/Valet/Kill/Privacy Firewall |
Yes |
| 2008 GT2 w/ exhaust/intercoolers |
0261208867 |
up to 680hp and 700ft lbs |
93/100 octane/Valet/Kill/Privacy Firewall |
Yes |
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997 Turbo
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4 Tuning Options Available

Option 1 - 91 octane (true 91 octane - Porsche put a min. 93 octane on the car) stock rev limiter

Option 2 - 91 octane (true 91 octane - Porsche put a min. 93 octane on the car) 7000 RPM rev limiter (6-speed only)

Option 3 - 93 octane with stock rev limiter

Option 4 - 93 octane with 7000 RPM rev limiter (6-speed only)

We recommend exhaust upgrade with our flash. There is much more power and lower EGTs (exhaust gas temperatures) which help the new VTG turbos last longer.

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997 Turbo/Turbo S
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| Year And Model |
ECU Part |
Power Gains * |
Options |
Flash Loader Compatible
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| 2008 997TT W/7200RPM Limit |
0261208867 |
40-70 hp and 50-70 ft-lbs |
91/100 octane/Valet/Kill/Privacy Firewall |
Yes |
| 2008 997TT |
0261208867 |
40-70 hp and 50-70 ft-lbs |
91/100 octane/Valet/Kill/Privacy Firewall |
Yes |
| 2008 997TT |
0261208867 |
40-70 hp and 50-70 ft-lbs |
93/100 octane/Valet/Kill/Privacy Firewall |
Yes |
| 2007 997TT W/7200RPM Limit |
0261208867 |
40-70 hp and 50-70 ft-lbs |
93/100 octane/Valet/Kill/Privacy Firewall |
Yes |
| 2007 997TT W/7200RPM Limit |
0261208867 |
40-70 hp and 50-70 ft-lbs |
91/100 octane/Valet/Kill/Privacy Firewall |
Yes |
| 2007 997TT W/Tiptronic |
0261208867 |
40-70 hp and 50-70 ft-lbs |
91/100 octane/Valet/Kill/Privacy Firewall |
Yes |
| 2007 997TT W/Tiptronic |
0261208867 |
40-70 hp and 50-70 ft-lbs |
93/100 octane/Valet/Kill/Privacy Firewall |
Yes |
| 2007 997TT W/7200RPM Limit |
0261208867 |
40-70 hp and 50-70 ft-lbs |
95-98/108 octane/Valet/Kill/Privacy Firewall |
Yes |
| 2007 997TT W/7000RPM Limit |
0261208867 |
40-70 hp and 50-70 ft-lbs |
95-98/108 octane/Valet/Kill/Privacy Firewall |
Yes |
| 2007 997TT |
0261208867 |
40-70 hp and 50-70 ft-lbs |
93/100 octane/Valet/Kill/Privacy Firewall |
Yes |
| 2007 997TT |
0261208867 |
40-70 hp and 50-70 ft-lbs |
91/100 octane/Valet/Kill/Privacy Firewall |
Yes |
| 2007 997TT |
0261208867 |
40-70 hp and 50-70 ft-lbs |
95 - 98/108 octane/Valet/Kill/Privacy Firewall |
Yes |
| 2008 997 GT2 |
0261208867 |
40-70 hp and 90-110 ft-lbs |
95 - 98/108 octane/Valet/Kill/Privacy Firewall |
Yes |
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997GT3/GT3RS Carrera
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| Year And Model |
ECU Part |
Power Gains * |
Options |
Flash Loader Compatible
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| 2008 - 2007 997GT3/GT3RS Carrera W/8500 Rev. Limiter |
0261208300 |
5-25 hp and 25-30 ft-lbs |
91-93 octane |
Yes |
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996 Turbo/GT2
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| Year And Model |
ECU Part |
Power Gains * |
Options |
Flash Loader Compatible
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| 2001/up 996TT - 6 Speed |
0261206241 |
65-75 hp and 75-85 ft-lbs |
91/103 octane |
Yes |
| 2001/up 996TT - Tip |
0261206241 |
65-75 hp and 75-85 ft-lbs |
91 octane |
Yes |
| 2002/up 996TT X50 - 6 Speed |
0261206241 |
60-70 hp and 65-75 ft-lbs |
91/103 octane |
Yes |
| 2002/up 996TT X50 - Tip |
0261206241 |
60-70 hp and 65-75 ft-lbs |
91 octane |
Yes |
| 2002/up 996TT GT2 |
0261206241 |
60-70 hp and 65-75 ft-lbs |
91 or 93/103 octane |
Yes |
| 2005 996TT Turbo S |
0261206241 |
60-70 hp and 65-75 ft-lbs |
91 - 93/100 octane |
Yes |
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* For optimum power gains the software must be coupled
with a complete exhaust upgrade. Factory exhausts are too
restrictive for GIAC K24 programming.
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996/997 Non-Turbo
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| Year And Model |
ECU Part |
Power Gains |
Options |
Flash Loader Compatible |
| 2005/up 997S 3.8L - 6 Speed |
0261207987 |
10-20 hp and 10-15 ft-lbs |
91 octane |
Yes |
| 2005/up 997 - Tip |
0261207987 |
10-20 hp and 10-15 ft-lbs |
91 octane |
Yes |
| 2005/up 997 - 6 Speed |
0261207987 |
10-20 hp and 10-15 ft-lbs |
91 octane |
Yes |
| 2002-2004/up 996 - 6 Speed |
0261206579 |
10-20 hp and 10-15 ft-lbs |
91 octane |
Yes |
| 2002-2004/up 996 - Tip |
0261206579 |
10-20 hp and 10-15 ft-lbs |
91 octane |
Yes |
| 2002/up 996 - Tip |
0261206579 |
10-20 hp and 10-15 ft-lbs |
91 octane |
Yes |
| 2000-2001 996 |
0261204790 |
15-28 hp and 15-22 ft-lbs |
91 octane |
Yes |
| 1999 996 |
0261204790 |
15-28 hp and 15-22 ft-lbs |
91 octane |
Yes |
| 1999 996 - Non DBW |
0261204605 |
15-20 hp and 15-20 ft-lbs |
91 octane |
Yes |
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Cayenne Turbo/S/V6
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| Year And Model |
ECU Part |
Power Gains |
Options |
Flash Loader Compatible |
| Cayenne V6 |
0261207696 |
7-15 hp and 12-20 ft-lbs |
91 - 93 Octane |
Yes |
| Cayenne 4.5L TT(european) |
0261207696 |
47-55 hp and 50-60 ft-lbs |
Stock, 91, Valet, Kill |
Yes |
| Cayenne 4.5L TT |
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47-55 hp and 50-60 ft-lbs |
Stock, 91, Valet, Kill |
Yes |
| Cayenne Turbo S Downpipe Flash |
0261207696 |
47-55 hp and 50-60 ft-lbs |
Stock, 91, Valet, Kill |
Yes |
| 2004/up Cayenne Turbo |
0261207696 |
47-55 hp and 50-60 ft-lbs |
Stock, 91, Valet, Kill |
Yes |
| 2004/up S |
0261207696 |
15-20 hp |
91 octane |
Yes |
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Cayman S
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| Year And Model |
ECU Part |
Power Gains |
Options |
Flash Loader Compatible |
| 2006-2008 Cayman S W/7500RPM Limit |
0261208300 |
10-15 hp and 6-8 ft-lbs |
91 - 93 Octane |
No |
| 2006 Cayman S |
98761863402 |
10-15 hp and 6-8 ft-lbs |
91 - 93 Octane |
Yes |
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Boxster/S
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| Year And Model |
ECU Part |
Power Gains |
Options |
Flash Loader Compatible |
| 2000/up Boxster 2.7L |
0261204790 |
8-12 hp and 6-10 ft-lbs |
91 octane |
Yes |
| 2000/up Boxster S |
0261204790 |
15-20 hp and 10-15 ft-lbs |
91 octane |
Yes |
| 1997-1999 Boxster 2.5 |
0261204605 |
15-20 hp and 10-15 ft-lbs |
91 octane |
Yes |
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993
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| Year And Model |
ECU Part |
Power Gains |
Options |
Flash Loader Compatible |
| 1997-1998 993 TT |
0261204377 |
45-60 hp and 45-60 ft-lbs |
91 octane |
- - |
| 1996-1998 Carrera |
0261204376 |
12-13 hp and 14-16 ft-lbs |
91 octane |
- - |
| 1995 Carrera |
0261203163 |
12-14 hp and 14-16 ft-lbs |
91 octane |
- - |
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964
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| Year And Model |
ECU Part |
Power Gains |
Options |
Flash Loader Compatible |
| 1989-1994 Carrera |
0261200450 |
12-14 hp and 14-16 ft-lbs |
91 octane |
- - |
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* Please note: Prices are subject to change without notice. Please call for current pricing.
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