If exhaust is the same you already have a good availability of headers that will fit the car great. I hope most of that hasn't changed at all.Best thing is a lot of the performance development for the G8 GXP should transfer over, and anything not yet developed in USA should be ready from an Australian firm
Being able to drive one if you can't afford one or don't know any friends with them will be tough. If you can afford it, it will be amazing, nothing beats smoking supercars and cars worth way more than your carAlways see videos and articles written about these tuned cars, but In ever have a chance to drive one. One day hopefully!
This SS is a beast. Listen to the sound of that engine. I wish there was some footage of it driving around too.