I am looking to get my '03 silver SES tinted all around. No more than 35% in the front due to legal reasons. What would you recommend for the rear? I want it dark, but not too dark. I would like it to look factory. Kind of like what SUV's and minivans come with stock. What percentage would you say that is? thanks for any input. Also, if you could recommend any good tining places on the south side of chicago, that would be great too!