What is a TFI chip for a Suzuki GXS-R 750?

What does this chip do for the bike? I heard its similar to a power commander but i want to know exactly what it is and does.
 
It's got nothing to do with a chip and everything to do with your riding skill- trust me. I could beat guys on 1000cc bikes on my 600cc. Save your $500 and buy some leathers and a safe riding course- much better use of your cash. That bike is a rocket right out of the crate. If you feel the need to modify- a loud (safe) pipe and a sprocket will get you noticible improvements. Make sure you have a steering damper too.
 
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