power commander 3 usb

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I have a 954 Blade full power model from 2003 with 33500 km. I pull of the airbox valve and the valve in the exhhoust. He drives very good and fast. Now i put a lazer hotcame on it and now i have serious backfire problem. I tried to fix it with power commander 3 and set it more rich the fuel...

I'm new to the forum! I been searching for help with the power commander for the 04 cbr1000rr I just bought. I have no experience with it, but am really just wondering if anyone else has had an issue like this. It's a power commander 3 usb. 1. I've downloaded all the software onto my computer...