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Welcome- I doubt that those wheels will fit your G37X very well. They'll definitely stick out of the front fenders and will likely need a rear fender roll to fit back tthere. I'd also suggest you consider something other than coilovers unless you're planning to make this G a track vehicle and you really understand how and when to adjust them. You'll be better served by using Koni or Bilstein dampers if this is a DD.

 

the thing is, I’m most likely going to go e85 and fbo, and then big turbo some time down the road, so performance wise I was thinking coils plus the wide tires would be best, not sure tho because the wheels also come in 9.5in so would that give a more flush Fitment?

 

Speaking from experience, the AWD versions don't take to lowering very well. You get bumpsteer that's nearly impossible to correct, and excessive negative camber in the back that's also not really correctable. It also puts way more stress on the axles because your wheel hubs now sit higher than your diffs. And the parts needed to level out the rear axles just don't exist, believe me, I've looked. And further, the people capable of making such things aren't very interested in making AWD solutions. Believe me, I've begged! I'd suggest looking into some quality lowering springs like Swift, staying at or under a 1/2" drop, rear toe and camber adjustment, and wheels more suited for the sedan. I know people have put 19x10.5s on their sedans but I think the offsets should be different. You should check the wheel and fitment thread if you haven't already. https://www.myg37.com/forums/wheels-...on-thread.html

If you're looking to make big power, bigger meat on your wheels will help more with grip than a lower stance will on your X.