the difference is that the I30 mid console where the radio sits in is slightly slanted, thus maxima kits won't fit. The only way is to get them from the Cefiro from Taiwan. It in facts replaces the middle part of the console in which the radio sits in so that a regular double din radio will fit. A guy on the .org sells it. His email adress is
[email protected] shoot him an email and he should get back to you.