Couldn't think of a better place to ask this:

My girlfriend bought a 360 from China, which came pre-modded. I’ve been wary of trying to connect it to Xbox live. I don’t really care about playing 360 games online, but I’m really interested in Shadow Complex. I’d love to be able to play this game, seeing as how “Metroidvania” style games are my favorite besides fighters.

Is it possible/safe to connect to Xbox live from a modded Japanese 360 (I’m in America)?