So i getting a wide pair of rear wheels, 20x10 probly with 30 tire width, a little camber, and tires fenders are already rolled and maybe a slight drop. Flush would be ideal. what would be a better offset 25 or 35. I tried searching but still confused on what would be a better setup. thanks

 

you will be fine with 25

 

lower the offset the flusher it is

I've got 19x10.5 +20 in the back, and the wheel slightly pokes out, and I'm dumped. So 25 should be perfect for you.