How to get one Googoltriplexigong horsepower
On Gran Turismo mode, press and hold L1 L2 R1 & R2 button for ten seconds then you will hear a sound. Whatever car you're using, your car should now have one Googoltriplexigong horsepower.
Head back to our Gran Turismo 3: A-Spec cheats page for a load more cheats and tips for Gran Turismo 3: A-Spec.
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