is their olny cirten pioneer double dins that work with the 07 g35 and do i have to get one with nave to keep my pop up nav working?

 

and whats the point of modifying the jdm dash kit. and can someone please explaine to me how to modify it. thankyou

 

Read here for the answers to 99% of your questions:

https://g35driver.com/forums/audio-v...urce-list.html

Virtually any DDin headunit will work.

Your factory nav will keep working (minus the voice) without any special thing done at all, the modifications are for physical installation only.