@icrazyteddy
brother i'm not consoles expert but i heard that with modded xbox360 we can't go online with it...
here check some links please
Play your hacked XBOX 360 online today and get BANNED~!
Can I play online with a modded Xbox 360? - Xbox 360 Answers for Xbox 360 - GameFAQs
Xbox-Scene Tutorial: How to play on Xbox Live with a modded Xbox