Half the "my offset is wrong" G37 posts are actually brake posts. Save this before you order. 1. Check which G you have before you check anything else. Sport trims got the four-piston Akebono front setup, and that caliper decides your wheel long before offset does. Base car with the single-piston front? Way more of the catalog is open to you. Same body, two completely different shopping lists. 2. Sport cars and 18s don't mix. That's not a style opinion, that's a caliper eating your barrel. If you're on a Sport, 19 is the floor. People find this out the fun way — wheel mounted, lug nuts on, and the thing won't spin. 3. The front runs out before the rear, every single time. Factory Sport is 19x9 +45 up front and 19x10 +45 out back, and that front arch is the tight one. You can get greedy in the rear. Get greedy in the front and you're rolling fenders at 11pm with a heat gun and a borrowed roller, which is a "twenty minute job" that ends at 2am with a scuffed paint edge and a new opini...