Custom cases on an Xbox are not illegal.

Flashed DVD Drives are not illegal, unless you run burned game which you did not pay for.

Jtags are not illegal depending on what you do with it.

Hope I helped.

Trev57v wrote No, jtags arn't illegal, unless you run like free style dash (i think)

No, custom cases arn't

No, flashed drives arn't illegal. But running burnt/iso/pirated games on it are illegal

probably the best comment so far ;)

when you buy an xbox it is your xbox so you can do whatever you want with it
the same rule applies for changing hardware on a computer

K3ndo y u think that

jtag and flashed are illegal custom cases arent.

I dont think any of them are ILLEGAL.

I'm pretty sure they just void warranties.

Creating, Buying, and Selling Burnt games IS illegal.

jtags ain't illegal.
Flashed driveS ARE illegal. So simple.

Nopes, and if you got caught with one there's not much they can do apart from take it off you. Then you tell then its your mates.

Custom Cases are Legal.
JTAGs are illegal.
You should know this, because you are tampering with the Xbox, which is against the Code of Conduct.

Jtags themselves aren't illegal and selling them also isn't illegal. However using them online is illegal because when you connect to xbox live you agree to the terms of use, however using a jtag breaks this agreement. Depending on where you live, it might not even be illegal to download iso's and play them on an offline console, however just about everywhere it is illegal to upload any iso's.
The only way that selling them could be illegal is if you are selling copyrighted software along with the jtag (eg any copyrighted homebrew software or games/films/music ect)