Can I run race gas in my car?

I have a 2004 Mustang GT 5speed
Mods:
BBK cold air
SR 70mm throttle body
SR coil packs
BBK Off road X pipe
Flowmaster catback
93 Oct Bama race tune

I like to race my race about onece a week at the track and I have always just used octane boosters(VP 8 number booster). I found a pump near me that sells much higher octain like around 100-120oct. Could I run this gas? Are there dangers To it? And would this really be any better then the VP booster? I have used the booster for over a year it's not magic but it give a little boost if consistently used at each fill up.
Added (1). Also have Ford raceing intake manafold

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