what is out there for performance other then powercommanders?

Boost and nitrous!

If your talking fuel management systems, the big three that I know of are:

Juice box
Power commander
Bazazz. Bazzaz being top-o-the-line.

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would like a bazzaz but they dont make it for my bike

For the ultimate performance upgrade, try a track day/school. The price of one track day and its associated gear is about as much as buying a PC3, pipe, and a decent tune. Fine tune the software (you) before you work on the hardware (bike). You may discover that you might want to do other stuff like suspension or even brake upgrades before you decide to juice up your Halfabusa.

I know this isn't what you were looking for, but I thought I'd throw this out there.

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I only wish it was a hafabusa but i already have the full exhaust on it i just want to make the bike run up to par or not lean like it is now,without putting the stock pipe back on. also i wanted to do the trackday/school but i also need boots and dont i need full leathers for that also

You'll need over the ankle motorcycle specific boots, full leathers (1 or 2 piece, but I strongly recommend a 1 piece as I've got a 2 piece and wish I had a 1) and over the wrist gauntlet style gloves as well as a back protector and a full face helmet. If you go to cycle gear and buy everything new, for the leathers, gloves, boots and back protector you're looking @ at least $6-700, but if you shop around and get some things used, then you may be able to save $2-300 off that.

AGV Roadracing leathers
Berik/MotoGP titanium leathers size 42
A Las Vegas Sportbike Community • View topic - Full Leathers/Gloves For Sale
A Las Vegas Sportbike Community • View topic - Alpinestars full leathers
A Las Vegas Sportbike Community • View topic - Cside's going outta business sale... Random bike parts/gear

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i dont have a power commander yet, i do have an after market exhaust, i should eventually get it tuned with one for maximum performance, but even after 5 years, i still see no need for it, and would rather spend the money on a track day rather then a PC..even taking the advanced msf would be fun also!

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7+ year member - and still going.

"Sin City Sportbikes was founded by Las Vegas sport bike enthusiasts in response to a desire to promote a positive and safe image of the sport. Riders and enthusiasts from all over the Las Vegas Valley have joined together in an effort to give back to a community that has helped and nurtured us. "

-Sin City Sportbikes

thats a great point eric, i totaly agree. try to get 110% out of the bike and yourself before upgrades!