They are still showing it at $300... That was the sale price they gave us on a group buy earlier in the year.

N/A : Crossfire Performance Engine Software with Euro-Flash!

Don't know what parameters it changes in the computer .. but it does give you more out of the car. I held off for the longest time on getting it.. but when I did.. well no regrets..

It's not going to turn your car into a "tire burning monster".. but you will notice the difference.