changing sound parameter in gp4.exe

hallo
excuse me for my bad english.
give it in internet a programm to chanceing the
sound in the gp4.exe.(not in gp direktory samples,in gp4.exe)
or can one say me the adress of sound parameter in gp4.exe to
chance it with a hex editor.thanks

Change which sound, engine or background music?

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[www.mediafire.com] Some say you should click it, you know you want to. [www.gp4central.com] <----GP4 Central

the engine sound.i put the original engine sound from gp3 in gp4 but the gp4 sound is more
bass.in the gp4 samples directory i put all
thinks what i can do but the gp4 sound is more
bass.i will clear the buss in the gp4.exe.
thanks