Has anyone upgraded the stock rear wheels to the aftermarket 18" x 5.5" Performance Machine wheels or similar? If so, what tire size did you use?

 

found my answer--215/45/18.......perfect fit.

 

Thanks for the post. I was curious about that when I saw the PM stage 2 rear brake kit that requires 18" wheels.

 

I have the PM, Paramount wheels in 18" all around on my TG. Put on the GoodYear Eagle GT's, 215/45x18 and found them to be much more comfy than the stock tires, and with 5k miles on them I can not detect any wear at all. I also did the internal bead balancing which I highly recommend for these wheels. Good luck!