Good afternoon. I have a 2010 G37s coupe. Does anyone know if I can fit 19x8 +44 fronts and 19x10 +52.5 rears?

 

No, those offsets are WAY too high for a coupe. You will 100% have clearance issues with your big brakes. Why do you want such high offsets? Generally the coupe likes much lower offsets in the +12 to +25 range. What are you trying to run?