i cant figure out whats going on my ltft says its running way to rich my stft says lean and my wide band is bouncing all over the place i have standard so i cant log it

2007 chevy cobalt ss supercharged
2.8 pulley
60lb injectors
big heat exchanger
cold air intake
vibrant 4-2-1 header
catless down pipe
magnaflow exhaust
plat autolite plugs gapped at .40

can any one help me out

or if possible a tune to start with that will be pretty close
please help me